/* =================================================================
   LBP CREATIVE AGENCY — STYLESHEET
   Organized by section. All colors, spacing and type live in the
   CSS custom properties below — change brand values in one place.
   ================================================================= */

/* -----------------------------------------------------------------
   1. DESIGN TOKENS
   ----------------------------------------------------------------- */
:root {
  /* Brand colors */
  --color-primary: #2C2C2C;      /* dark charcoal — body text, dark sections */
  --color-primary-soft: #55555c; /* secondary text on light bg */
  --color-accent: #FFD13B;       /* vibrant yellow — CTAs, highlights */
  --color-accent-dark: #F4D03F;  /* yellow hover / gradient partner */
  --color-bg: #F9F9FB;           /* page background */
  --color-surface: #FFFFFF;      /* card / panel background */
  --color-dark: #1E1E1E;         /* deep contrast sections */
  --color-dark-alt: #2A2A2E;
  --color-border: #E7E7EC;
  --color-border-dark: #3A3A3E;
  --color-success: #2E7D5B;
  --color-error: #D64545;

  /* Typography */
  --font-display: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  /* Layout */
  --container-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(44, 44, 44, 0.06);
  --shadow-md: 0 10px 30px rgba(44, 44, 44, 0.1);
  --shadow-lg: 0 24px 60px rgba(44, 44, 44, 0.16);
  --shadow-accent: 0 10px 26px rgba(255, 209, 59, 0.45);
  --transition-fast: 160ms ease;
  --transition: 260ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 480ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* -----------------------------------------------------------------
   2. RESET & BASE
   ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.01em;
}

h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-4); color: var(--color-primary-soft); }

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

button { cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

section { padding-block: var(--space-9); scroll-margin-top: 90px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 2px;
}

/* -----------------------------------------------------------------
   2b. TOUCH & MOBILE ERGONOMICS (applies at every breakpoint —
   touchscreens aren't limited to narrow viewports: tablets, 2-in-1
   laptops and touch monitors all need the same forgiving targets)
   ----------------------------------------------------------------- */
html {
  /* Safety net against any stray element pushing the page wider than the
     viewport. `clip` (not `hidden`) avoids turning html into a scroll
     container, which would otherwise break the header's `position: sticky`. */
  overflow-x: clip;
}

a, button {
  /* Removes the ~300ms tap delay some mobile browsers add while
     waiting to see if a second tap is coming, and drops the double-tap
     zoom gesture that isn't useful on buttons/links anyway. */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* -----------------------------------------------------------------
   3. SHARED COMPONENTS (buttons, eyebrow, section heading)
   ----------------------------------------------------------------- */

/* Inline text links embedded inside translated copy (e.g. "Latin Business
   Power" linking out to the parent company). Inherits the surrounding
   text's color by default (global `a { color: inherit }` reset already
   handles that) — a soft permanent underline is added so the link is still
   identifiable without relying on color alone, since it can appear on
   light, dark and accent-colored backgrounds alike. */
.brand-link {
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  opacity: 0.85;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}
.brand-link:hover,
.brand-link:focus-visible {
  opacity: 1;
  color: var(--color-accent-dark);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(255, 209, 59, 0.14);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.eyebrow--light { background: rgba(255, 209, 59, 0.16); color: var(--color-accent); }

.section-heading { max-width: 640px; margin-bottom: var(--space-7); }
.section-heading--light h2 { color: var(--color-surface); }
.section-heading__subtitle { font-size: 1.05rem; }
.section-heading__subtitle--light { color: #C9C9CE; }

.btn {
  --btn-ripple-x: 50%;
  --btn-ripple-y: 50%;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  isolation: isolate;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary); color: var(--color-surface); transform: translateY(-2px); }

.btn--sm { padding: 0.6rem 1.3rem; font-size: 0.85rem; }
.btn--block { width: 100%; }

/* Ripple effect element injected by ripple.js */
.btn__ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(44, 44, 44, 0.25);
  transform: scale(0);
  animation: ripple 600ms ease-out forwards;
  pointer-events: none;
}
.btn--ghost .btn__ripple { background: rgba(255, 209, 59, 0.35); }
@keyframes ripple {
  to { transform: scale(2.6); opacity: 0; }
}

/* -----------------------------------------------------------------
   4. HEADER / NAV
   ----------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
/* The translucent blur lives on a pseudo-element rather than directly on
   .site-header. backdrop-filter (like transform/filter/perspective) makes
   the element it's set on a containing block for its own fixed-position
   descendants — since .main-nav is position:fixed nested inside the header
   for the mobile menu, that would confine its inset/height to the header's
   own ~76px-tall box instead of the viewport, clipping the fullscreen menu. */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(249, 249, 251, 0.85);
  backdrop-filter: blur(10px);
  transition: background var(--transition);
}
.site-header.is-scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.site-header.is-scrolled::before {
  background: rgba(249, 249, 251, 0.96);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
}
.logo__text {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-primary);
  white-space: nowrap;
}
.logo__text strong { color: var(--color-primary); }

.logo__mark {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  /* logo.png is a square 800x800 file with the "LB + bulb" artwork centered
     and a lot of transparent padding above/below it. A wide, short box +
     object-fit:cover crops that padding away so the mark reads clearly at
     header scale, without needing to touch the source asset. */
  width: 60px;
  height: 32px;
  overflow: hidden;
}

/* Soft yellow glow behind the lightbulb mark, revealed on hover/focus */
.logo__mark::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 209, 59, 0.45) 0%, rgba(255, 209, 59, 0) 70%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}
.logo:hover .logo__mark::before,
.logo:focus-visible .logo__mark::before { opacity: 1; }

.logo__image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition);
}
.logo:hover .logo__image,
.logo:focus-visible .logo__image { transform: scale(1.08); }

.main-nav__list { display: flex; align-items: center; gap: var(--space-6); }
.main-nav__list a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding-block: var(--space-2);
}
.main-nav__list a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-accent-dark);
  transition: width var(--transition);
}
.main-nav__list a:hover::after,
.main-nav__list a:focus-visible::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: var(--space-4); }

.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
}
.lang-toggle__option {
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-full);
  color: var(--color-primary-soft);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.lang-toggle__option.is-active { background: var(--color-accent); color: var(--color-primary); }
.lang-toggle__divider { color: var(--color-border); }

.header__cta { display: inline-flex; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  padding: 0;
}
.menu-toggle span { width: 22px; }
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -----------------------------------------------------------------
   5. HERO
   ----------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding-block: var(--space-9) var(--space-8); }

.hero__glow {
  position: absolute;
  top: -220px; right: -160px;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(255,209,59,0.38) 0%, rgba(255,209,59,0) 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: var(--space-5);
}
.hero__title span { display: block; }
.hero__title-accent {
  background: linear-gradient(100deg, var(--color-accent-dark), var(--color-accent) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle { font-size: 1.1rem; max-width: 46ch; margin-bottom: var(--space-6); }

.hero__ctas { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-7); }

.hero__stats { display: flex; gap: var(--space-7); flex-wrap: wrap; }
.hero__stat { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px; max-width: 140px; }
.hero__stat-number { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; }
.hero__stat-suffix { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--color-accent-dark); }
.hero__stat-label { flex-basis: 100%; font-size: 0.85rem; color: var(--color-primary-soft); }

.hero__visual { position: relative; height: 420px; }

/* Floating lightbulb — replaces the old solid orb. A soft pulsing glow
   sits behind a drop-shadowed, gently swaying favicon.png so it reads as
   part of the illustration rather than a placeholder background shape. */
.hero-lamp-wrap {
  position: absolute;
  inset: 6% 6% 6% 16%;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-lamp-glow {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 209, 59, 0.55) 0%, rgba(255, 209, 59, 0.16) 45%, rgba(255, 209, 59, 0) 72%);
  filter: blur(6px);
  animation: lampGlowPulse 5s ease-in-out infinite;
}
.hero-lamp {
  position: relative;
  width: 74%;
  max-width: 300px;
  height: auto;
  filter: drop-shadow(0 24px 28px rgba(44, 44, 44, 0.16)) drop-shadow(0 0 20px rgba(255, 209, 59, 0.4));
  animation: lampFloat 7s ease-in-out infinite;
}

@keyframes lampGlowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}
@keyframes lampFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-16px) rotate(2deg); }
}

.hero-card {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  font-weight: 600;
  font-size: 0.9rem;
  animation: float 6s ease-in-out infinite;
}
.hero-card__icon { font-size: 1.4rem; }
.hero-card--1 { top: 6%; left: 0; animation-delay: 0s; }
.hero-card--2 { bottom: 18%; right: 2%; animation-delay: 1.2s; }
.hero-card--3 { bottom: -2%; left: 14%; animation-delay: 2.4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* -----------------------------------------------------------------
   6. SERVICES / TABS
   ----------------------------------------------------------------- */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.7rem 1.3rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary-soft);
  transition: all var(--transition-fast);
}
.tab-btn:hover { border-color: var(--color-accent-dark); color: var(--color-primary); }
.tab-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.tabs__panels { position: relative; }
.tab-panel {
  display: none;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-7);
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  border: 1px solid var(--color-border);
}
.tab-panel.is-active {
  display: grid;
  animation: panelIn var(--transition-slow);
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-panel__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: rgba(255, 209, 59, 0.18);
  font-size: 1.6rem;
  margin-bottom: var(--space-4);
}
.tab-panel__features { display: grid; gap: var(--space-3); }
.tab-panel__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.95rem;
  color: var(--color-primary-soft);
}
.tab-panel__features li::before {
  content: '✓';
  flex-shrink: 0;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
}

.tab-panel__visual {
  display: flex;
  align-items: stretch;
  min-height: 260px;
}

/* -----------------------------------------------------------------
   6b. LIVE CAMPAIGN PREVIEW CARD (inside each services tab panel)
   ----------------------------------------------------------------- */
.campaign-preview {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: linear-gradient(165deg, #ffffff, var(--color-bg));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  overflow: hidden;
  animation: panelIn var(--transition-slow);
}
.campaign-preview::before {
  content: '';
  position: absolute;
  top: -50px; right: -50px;
  width: 150px; height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 209, 59, 0.25) 0%, rgba(255, 209, 59, 0) 70%);
  pointer-events: none;
}

.campaign-preview__header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.campaign-preview__title { margin: 0; font-size: 1rem; }
.campaign-preview__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary-soft);
}
.campaign-preview__live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #E14B4B;
  animation: livePulse 1.8s ease-out infinite;
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(225, 75, 75, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(225, 75, 75, 0); }
  100% { box-shadow: 0 0 0 0 rgba(225, 75, 75, 0); }
}

.campaign-preview__body {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}
.campaign-preview__caption {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-primary-soft);
  opacity: 0.85;
}

/* --- Marketing: animated bar chart + count-up metrics --- */
.preview-chart__bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 110px;
  padding-inline: 2px;
}
.preview-chart__bar {
  flex: 1;
  height: var(--bar-height, 10%);
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 6px 6px 2px 2px;
  transform-origin: bottom;
  transform: scaleY(0);
  animation: barGrow 700ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: var(--bar-delay, 0ms);
}
@keyframes barGrow { to { transform: scaleY(1); } }

.preview-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}
.preview-metric { display: flex; flex-direction: column; gap: 2px; }
.preview-metric__value { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--color-primary); }
.preview-metric__delta { font-size: 0.72rem; font-weight: 700; color: var(--color-success); }
.preview-metric__label { font-size: 0.72rem; color: var(--color-primary-soft); }

/* --- Branding: wide, flat color gamut — one tap selects and updates the preview --- */
.preview-palette { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.palette-swatch {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--swatch-color);
  border: 2px solid rgba(44, 44, 44, 0.08);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.palette-swatch:hover { transform: translateY(-3px); }
.palette-swatch.is-active { box-shadow: 0 0 0 3px var(--color-surface), 0 0 0 5px var(--color-primary); }
.palette-swatch__check {
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.45));
  transition: opacity var(--transition-fast);
}
.palette-swatch.is-active .palette-swatch__check { opacity: 1; }

.preview-palette__detail { display: flex; align-items: center; gap: var(--space-2); }
.preview-palette__swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-surface);
  box-shadow: 0 0 0 1px rgba(44, 44, 44, 0.1);
  transition: background-color var(--transition);
}
.preview-palette__name { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; }
.preview-palette__hex { font-size: 0.8rem; color: var(--color-primary-soft); text-transform: uppercase; letter-spacing: 0.03em; }
.preview-palette__psychology {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-primary);
  background: rgba(44, 44, 44, 0.04);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-3);
}
.preview-palette__psychology.is-updating { animation: psychologyFadeIn var(--transition-slow); }
@keyframes psychologyFadeIn {
  from { opacity: 0; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Web development: device-shell mockup — the OUTER frame changes shape
   per viewport (browser chrome / tablet bezel / phone bezel) while the same
   content underneath (nav, hero, cards) just rescales. --- */
.preview-browser {
  position: relative;
  width: 100%;
  margin-inline: auto;
  background: transparent;
  padding: 0;
  border-radius: 10px;
  transition: width var(--transition-slow), padding var(--transition-slow),
    border-radius var(--transition-slow), background-color var(--transition-slow);
}

/* Desktop: classic browser window chrome */
.preview-browser__chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  padding: 8px 10px;
}
.preview-browser__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-border); }
.preview-browser__url {
  margin-left: var(--space-2);
  flex: 1;
  font-size: 0.68rem;
  color: var(--color-primary-soft);
  background: var(--color-bg);
  border-radius: var(--radius-full);
  padding: 2px 10px;
}

/* Tablet/mobile bezel details — only shown by their respective modifier below */
.preview-browser__notch {
  display: none;
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 32%; height: 14px;
  border-radius: var(--radius-full);
  background: #000;
  z-index: 2;
}
.preview-browser__camera {
  display: none;
  position: absolute;
  top: 13px; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  z-index: 2;
}

/* The "screen" — same content structure across all three modes */
.preview-browser__screen {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 0 0 10px 10px;
  padding: var(--space-3);
  overflow: hidden;
  transition: border-radius var(--transition-slow), padding var(--transition-slow), gap var(--transition-slow);
}

.preview-browser__topnav { display: flex; align-items: center; justify-content: space-between; }
.preview-browser__logo { width: 18px; height: 18px; border-radius: 6px; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); flex-shrink: 0; }
.preview-browser__navlinks { display: flex; gap: var(--space-2); }
.preview-browser__navlinks span { width: 26px; height: 6px; border-radius: var(--radius-full); background: var(--color-border); }
.preview-browser__menu { display: none; flex-direction: column; gap: 3px; width: 16px; }
.preview-browser__menu i { display: block; height: 2px; border-radius: 1px; background: var(--color-primary-soft); }

.preview-browser__hero { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.preview-browser__badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(255, 209, 59, 0.35);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.preview-browser__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.25;
  color: var(--color-primary);
  transition: font-size var(--transition-slow);
}
.preview-browser__subtitle { margin: 0; font-size: 0.72rem; line-height: 1.4; color: var(--color-primary-soft); max-width: 92%; }
.preview-browser__cta-row { display: flex; gap: var(--space-2); margin-top: 2px; }
.preview-browser__cta {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-primary);
  white-space: nowrap;
}
.preview-browser__cta--ghost { background: transparent; border: 1px solid var(--color-border); color: var(--color-primary-soft); }

.preview-browser__cards { display: flex; gap: var(--space-2); transition: flex-direction var(--transition-slow); }
.preview-browser__card {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.preview-browser__card-icon { width: 16px; height: 16px; border-radius: 5px; background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent)); }
.preview-browser__card-line { display: block; height: 6px; width: 100%; border-radius: var(--radius-full); background: var(--color-border); }
.preview-browser__card-line--sm { width: 60%; }

/* Tablet: drop the browser chrome for a bezeled slate frame */
.preview-browser.is-viewport-tablet {
  width: 66%;
  background: var(--color-dark);
  padding: 26px 10px 10px;
  border-radius: 26px;
  box-shadow: var(--shadow-md);
}
.preview-browser.is-viewport-tablet .preview-browser__chrome { display: none; }
.preview-browser.is-viewport-tablet .preview-browser__camera { display: block; }
.preview-browser.is-viewport-tablet .preview-browser__screen { border: none; border-radius: 12px; }
.preview-browser.is-viewport-tablet .preview-browser__navlinks span:nth-child(3) { display: none; }

/* Mobile: narrow phone bezel with a notch, chrome-free and content trimmed to fit */
.preview-browser.is-viewport-mobile {
  width: 44%;
  background: var(--color-dark);
  padding: 22px 8px 14px;
  border-radius: 34px;
  box-shadow: var(--shadow-md);
}
.preview-browser.is-viewport-mobile .preview-browser__chrome { display: none; }
.preview-browser.is-viewport-mobile .preview-browser__notch { display: block; }
.preview-browser.is-viewport-mobile .preview-browser__screen { border: none; border-radius: 18px; padding: var(--space-2); gap: var(--space-2); }
.preview-browser.is-viewport-mobile .preview-browser__navlinks { display: none; }
.preview-browser.is-viewport-mobile .preview-browser__menu { display: flex; }
.preview-browser.is-viewport-mobile .preview-browser__title { font-size: 0.8rem; }
.preview-browser.is-viewport-mobile .preview-browser__subtitle,
.preview-browser.is-viewport-mobile .preview-browser__cta--ghost { display: none; }
.preview-browser.is-viewport-mobile .preview-browser__cards { flex-direction: column; }

.preview-viewport-toggle { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.viewport-btn {
  flex: 1 1 0;
  /* Flex items default to a content-based min-width, so `flex: 1` alone
     can't shrink these below their label's natural width — on a narrow
     card that silently overflows the card edge. min-width: 0 lets them
     actually shrink (and wrap, via flex-wrap above, as a last resort). */
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-primary-soft);
  transition: all var(--transition-fast);
}
.viewport-btn.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-accent); }

/* --- Design: interactive phone prototype — one mockup per discipline --- */
.preview-phone {
  width: 136px;
  margin-inline: auto;
  border: 6px solid var(--color-primary);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.preview-phone__notch { width: 50%; height: 14px; margin: 0 auto; border-radius: 0 0 10px 10px; background: var(--color-primary); }
.preview-phone__screens { position: relative; height: 200px; }
.preview-phone__screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--space-3);
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.preview-phone__screen.is-active { opacity: 1; transform: translateX(0); pointer-events: auto; }

/* UI/UX: a mini app screen — nav bar, hero card, content rows, CTA button */
.preview-phone__bar { height: 8px; width: 60%; border-radius: var(--radius-full); background: var(--color-primary); opacity: 0.85; }
.preview-phone__hero { height: 56px; border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); }
.preview-phone__row { height: 10px; border-radius: var(--radius-full); background: var(--color-bg); border: 1px solid var(--color-border); }
.preview-phone__row--wide { width: 100%; }
.preview-phone__button { height: 30px; border-radius: var(--radius-full); background: var(--color-accent); }

/* Social: a profile header over a 3-column post grid, Instagram-style */
.mock-social { display: flex; flex-direction: column; gap: 8px; height: 100%; }
.mock-social__header { display: flex; align-items: center; gap: 8px; }
.mock-social__avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--color-accent), var(--color-primary)); flex-shrink: 0; }
.mock-social__handle { height: 8px; width: 50%; border-radius: var(--radius-full); background: var(--color-border); }
.mock-social__grid { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.mock-social__grid span {
  border-radius: 3px;
  background: linear-gradient(150deg, var(--color-accent), var(--color-accent-dark));
}
.mock-social__grid span:nth-child(2) { background: linear-gradient(150deg, var(--color-primary-soft), var(--color-primary)); }
.mock-social__grid span:nth-child(3) { background: linear-gradient(150deg, var(--color-border), var(--color-primary-soft)); }
.mock-social__grid span:nth-child(5) { background: linear-gradient(150deg, var(--color-primary), var(--color-dark)); }

/* Pitch Deck: a single slide card (title + lines + mini chart) with a page dial */
.mock-slide { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); height: 100%; justify-content: center; }
.mock-slide__frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}
.mock-slide__title { height: 8px; width: 55%; border-radius: var(--radius-full); background: var(--color-primary); }
.mock-slide__line { height: 5px; width: 85%; border-radius: var(--radius-full); background: var(--color-border); }
.mock-slide__line--sm { width: 55%; }
.mock-slide__chart { display: flex; align-items: flex-end; gap: 4px; height: 22px; margin-top: 4px; }
.mock-slide__chart span { flex: 1; border-radius: 2px 2px 0 0; background: var(--color-accent-dark); }
.mock-slide__chart span:nth-child(1) { height: 55%; }
.mock-slide__chart span:nth-child(2) { height: 100%; }
.mock-slide__chart span:nth-child(3) { height: 75%; }
.mock-slide__pager { display: flex; gap: 5px; }
.mock-slide__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--color-border); }
.mock-slide__dot.is-active { background: var(--color-accent-dark); }

/* Motion: a play state — pulsing ring behind a play button, plus a scrub bar */
.mock-motion {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-dark-alt));
}
.mock-motion__ring {
  position: absolute;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  animation: motionPulse 1.8s ease-out infinite;
}
.mock-motion__play {
  position: relative;
  z-index: 1;
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.7rem;
  box-shadow: var(--shadow-sm);
}
.mock-motion__timeline { height: 5px; border-radius: var(--radius-full); background: rgba(255, 255, 255, 0.18); overflow: hidden; }
.mock-motion__progress { display: block; height: 100%; width: 45%; border-radius: var(--radius-full); background: var(--color-accent); }
@keyframes motionPulse {
  0% { transform: scale(0.85); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Discipline tabs — large, labeled triggers (not tiny dots) so every hit
   area is the real button box, with no overlapping invisible hitboxes. */
.design-tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.design-tab-btn {
  flex: 1 1 0;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 44px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-primary-soft);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.design-tab-btn.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-accent); }

/* -----------------------------------------------------------------
   7. PORTFOLIO
   ----------------------------------------------------------------- */
.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-soft);
  transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-accent-dark); }
.filter-btn.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-accent); }

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: cardIn var(--transition-slow) both;
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card.is-hidden { display: none; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.project-card__media {
  height: 190px;
  position: relative;
  overflow: hidden;
  background: var(--card-gradient);
}
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.project-card:hover .project-card__media img { transform: scale(1.06); }
/* Tints every photo toward the brand's dark/gold palette (regardless of the
   source photo's own colors) and darkens the bottom so the "view" pill reads. */
.project-card__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(165deg, rgba(255, 209, 59, 0.22) 0%, rgba(30, 30, 30, 0) 45%, rgba(20, 20, 20, 0.6) 100%);
  pointer-events: none;
}
.project-card__view {
  position: absolute;
  bottom: var(--space-3); right: var(--space-3);
  background: rgba(255,255,255,0.92);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  opacity: 0;
  transform: translateY(6px);
  transition: all var(--transition-fast);
  z-index: 1;
}
.project-card:hover .project-card__view { opacity: 1; transform: translateY(0); }
/* Touch screens never fire :hover, so without this the "View Project" cue
   would simply never appear for touch visitors (the card is still fully
   tappable — this just restores the visual affordance). */
@media (hover: none) {
  .project-card__view { opacity: 1; transform: translateY(0); }
}

.project-card__body { padding: var(--space-5); }
.project-card__category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-2);
}
.project-card__body h3 { margin-bottom: var(--space-2); font-size: 1.1rem; }
.project-card__body p { font-size: 0.9rem; margin: 0; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: var(--space-5);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition), visibility var(--transition);
}
.modal.is-open { visibility: visible; opacity: 1; }

.modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(30, 30, 30, 0.6);
  backdrop-filter: blur(3px);
}

.modal__dialog {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  transform: translateY(24px) scale(0.97);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-lg);
}
.modal.is-open .modal__dialog { transform: translateY(0) scale(1); }

.modal__close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: none;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  font-size: 1.4rem;
  line-height: 1;
  z-index: 2;
  transition: transform var(--transition-fast);
}
.modal__close:hover { transform: rotate(90deg); }

.modal__media {
  height: 260px;
  position: relative;
  overflow: hidden;
  background: var(--card-gradient, linear-gradient(135deg, #2C2C2C, #4A4A4A));
}
.modal__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.modal__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(165deg, rgba(255, 209, 59, 0.18) 0%, rgba(30, 30, 30, 0) 45%, rgba(20, 20, 20, 0.5) 100%);
  pointer-events: none;
}

.modal__body { padding: var(--space-6); }
.modal__category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-2);
}
.modal__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.modal__meta h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: var(--space-3); }
.modal__meta ul { display: grid; gap: var(--space-2); font-size: 0.9rem; color: var(--color-primary-soft); }
.modal__meta ul li::before { content: '— '; }
.modal__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.modal__tags span {
  background: rgba(255, 209, 59, 0.18);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
}

body.modal-open,
body.nav-open { overflow: hidden; }

/* -----------------------------------------------------------------
   8. ESTIMATOR WIDGET
   ----------------------------------------------------------------- */
.estimator {
  background: linear-gradient(180deg, var(--color-dark), var(--color-dark-alt));
  color: var(--color-surface);
}
.estimator .eyebrow { color: var(--color-accent); }

.estimator__widget {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
}

.estimator__controls { display: grid; gap: var(--space-6); align-content: start; }
.estimator__control-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}
.estimator__control-head output {
  color: var(--color-accent);
  font-weight: 700;
  background: rgba(255,209,59,0.12);
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent) var(--fill, 30%), rgba(255,255,255,0.14) var(--fill, 30%));
  outline: none;
}
/* Sliders are a recognized exception to the 48px target-size guideline —
   the whole track is draggable/tappable, not just the thumb — but we still
   size the thumb generously (26px) for a comfortable grab point. */
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-dark);
  box-shadow: 0 0 0 2px var(--color-accent);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-dark);
  cursor: pointer;
}
input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.14);
}

.estimator__chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--color-border-dark);
  background: rgba(255,255,255,0.04);
  color: var(--color-surface);
  border-radius: var(--radius-full);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.chip-btn.is-active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary); }

.estimator__results { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-content: start; }
.estimator__result {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.estimator__result-icon { font-size: 1.4rem; }
.estimator__result-number {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}
.estimator__result-label { font-size: 0.82rem; color: #C9C9CE; }

.estimator__bar-track {
  grid-column: 1 / -1;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.estimator__bar-fill {
  height: 100%;
  width: 10%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent));
  transition: width var(--transition-slow);
}
.estimator__note { grid-column: 1 / -1; font-size: 0.78rem; color: #9C9CA3; margin: 0; }

/* -----------------------------------------------------------------
   9. ABOUT
   ----------------------------------------------------------------- */
.about__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
}
.about__list { display: grid; gap: var(--space-5); margin-top: var(--space-6); }
.about__list li { display: flex; gap: var(--space-4); align-items: flex-start; }
.about__list-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 209, 59, 0.18);
  font-size: 1.3rem;
}
.about__list h4 { margin-bottom: var(--space-1); font-size: 1rem; }
.about__list p { margin: 0; font-size: 0.9rem; }

.about__visual { display: grid; place-items: center; padding: var(--space-6); }
.about__logo {
  width: 100%;
  max-width: 320px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(44, 44, 44, 0.12));
}

/* -----------------------------------------------------------------
   10. CONTACT
   ----------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: var(--space-7);
  align-items: start;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: grid;
  gap: var(--space-5);
}

.form-field { display: grid; gap: var(--space-2); }
.form-field label { font-weight: 600; font-size: 0.9rem; }
.form-field input,
.form-field select,
.form-field textarea {
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-accent-dark);
  box-shadow: 0 0 0 3px rgba(255, 209, 59, 0.25);
  outline: none;
}
.form-field.has-error input,
.form-field.has-error textarea { border-color: var(--color-error); }
.form-field__error {
  font-size: 0.8rem;
  color: var(--color-error);
  min-height: 1em;
}

.btn--block { position: relative; }
.btn__spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(44,44,44,0.3);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}
.btn--block.is-loading .btn__label { opacity: 0.5; }
.btn--block.is-loading .btn__spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-status {
  border-radius: var(--radius-sm);
  padding: 0;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all var(--transition);
}
.form-status.is-visible { max-height: 80px; padding: var(--space-3); opacity: 1; }
.form-status.is-success { background: rgba(46, 125, 91, 0.12); color: var(--color-success); }
.form-status.is-error { background: rgba(214, 69, 69, 0.12); color: var(--color-error); }

/* Stacks the form and the success card in the same grid cell so one can
   fade out while the other fades in, without shifting layout. */
.contact-form-stage { display: grid; }
.contact-form-stage > .contact-form,
.contact-form-stage > .contact-form-success {
  grid-area: 1 / 1;
}
.contact-form {
  transition: opacity var(--transition), transform var(--transition);
}
.contact-form.is-hidden {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}

.contact-form-success {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: grid;
  justify-items: center;
  align-content: center;
  gap: var(--space-3);
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.contact-form-success[hidden] { display: none; }
.contact-form-success.is-visible { opacity: 1; }
.contact-form-success:not(.is-visible) { transform: translateY(8px); }
.contact-form-success__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(46, 125, 91, 0.12);
  color: var(--color-success);
}
.contact-form-success h3 { margin-bottom: 0; }
.contact-form-success p { margin-bottom: 0; max-width: 34ch; }

.contact-info__card {
  background: var(--color-primary);
  color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.contact-info__card h3 { color: var(--color-surface); margin-bottom: var(--space-5); }
.contact-info__card ul { display: grid; gap: var(--space-5); }
.contact-info__card li { display: flex; gap: var(--space-3); align-items: flex-start; }
.contact-info__icon { font-size: 1.2rem; }
.contact-info__card strong { display: block; font-size: 0.85rem; color: var(--color-accent); margin-bottom: 2px; }
.contact-info__card p { margin: 0; color: #D8D8DC; font-size: 0.92rem; }
.contact-info__card a:hover { text-decoration: underline; }

.contact-info__social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.contact-info__social a {
  width: 48px; height: 48px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}
.contact-info__social a:hover { background: var(--color-accent); border-color: var(--color-accent); transform: translateY(-3px); }
.contact-info__social img {
  display: block;
  width: 24px;
  height: 24px;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition-fast);
}
.contact-info__social a:hover img { transform: scale(1.1); }

/* -----------------------------------------------------------------
   11. FOOTER
   ----------------------------------------------------------------- */
.site-footer { background: var(--color-dark); color: #C9C9CE; padding-block: var(--space-7); }
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
}
.site-footer__brand p { color: #9C9CA3; font-size: 0.85rem; margin: var(--space-1) 0 0; }
.logo__text--footer { color: var(--color-surface); }
.logo__text--footer strong { color: var(--color-accent); }
.site-footer__nav { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.site-footer__nav a { font-size: 0.88rem; transition: color var(--transition-fast); }
.site-footer__nav a:hover { color: var(--color-accent); }
.site-footer__rights { width: 100%; font-size: 0.78rem; color: #7A7A80; margin: 0; padding-top: var(--space-5); border-top: 1px solid var(--color-border-dark); }

/* -----------------------------------------------------------------
   12. SCROLL TO TOP
   ----------------------------------------------------------------- */
.scroll-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 400;
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--color-accent); color: var(--color-primary); }

/* -----------------------------------------------------------------
   13. RESPONSIVE
   ----------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { height: 320px; order: -1; }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { grid-template-columns: 1fr; }
  .about__visual { order: -1; }
  .contact__grid { grid-template-columns: 1fr; }
  .estimator__widget { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--color-bg);
    padding: calc(76px + var(--space-6)) var(--space-5) var(--space-6);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
  }
  .main-nav.is-open { transform: translateX(0); }
  /* Override the desktop rule's align-items: center — each <li> needs to
     stretch to the panel's full width, otherwise it hugs its own text width
     and the <a>'s 100% below has nothing to actually stretch against. */
  .main-nav__list { flex-direction: column; align-items: stretch; gap: var(--space-2); }
  .main-nav__list a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 56px;
    font-size: 1.2rem;
    border-radius: var(--radius-sm);
  }
  .main-nav__list a:hover,
  .main-nav__list a:focus-visible { background: rgba(255, 209, 59, 0.12); }
  .main-nav__list a::after { display: none; }
  .menu-toggle { display: flex; }
  .header__cta { display: none; }
  .tab-panel { grid-template-columns: 1fr; padding: var(--space-6); }
  .tab-panel__visual { order: -1; min-height: 180px; }
}

@media (max-width: 640px) {
  section { padding-block: var(--space-8); }
  .header__inner { height: 68px; }
  .main-nav { padding-top: calc(68px + var(--space-6)); }
  .logo__text { display: none; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }
  .hero__visual { height: 280px; }
  .hero-card { padding: var(--space-2) var(--space-3); font-size: 0.8rem; }
  .hero-card__icon { font-size: 1.2rem; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .modal__meta { grid-template-columns: 1fr; }
  .estimator__widget { padding: var(--space-5); }
  .estimator__results { grid-template-columns: 1fr; }
  .contact-form,
  .contact-form-success { padding: var(--space-5); }
  .site-footer__inner { flex-direction: column; align-items: flex-start; text-align: left; }
}