/* ============================================================
   RazonTIC — Precision Glass Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── Design Tokens ── */
:root {
  /* Color Palette */
  --primary: #0040a1;
  --primary-container: #0056d2;
  --primary-light: #3b7de8;
  --secondary: #00677d;
  --secondary-container: #004f59;
  --tertiary: #00b4d8;
  --on-primary: #ffffff;
  --on-secondary: #ffffff;
  --error: #ba1a1a;
  --error-container: #ffdad6;

  /* Surface Layers */
  --surface: #f7f9fb;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f2f4f6;
  --surface-container: #eceef0;
  --surface-container-high: #e6e8ea;
  --surface-container-highest: #e1e3e5;
  --on-surface: #191c1e;
  --on-surface-variant: #41484d;
  --outline-variant: #c1c7ce;

  /* Typography Scale */
  --font-display: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --display-lg: 3.5rem;
  --display-md: 2.8rem;
  --display-sm: 2.25rem;
  --headline-lg: 2rem;
  --headline-md: 1.75rem;
  --headline-sm: 1.5rem;
  --title-lg: 1.25rem;
  --title-md: 1.1rem;
  --body-lg: 1rem;
  --body-md: 0.9rem;
  --label-lg: 0.875rem;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ── Utility Classes ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section {
  padding: var(--sp-24) 0;
}

.section--alt {
  background-color: var(--surface-container-low);
}

/* ── Typography ── */
.display-lg  { font-family: var(--font-display); font-size: var(--display-lg);  font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
.display-md  { font-family: var(--font-display); font-size: var(--display-md);  font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
.display-sm  { font-family: var(--font-display); font-size: var(--display-sm);  font-weight: 700; line-height: 1.2; }
.headline-lg { font-family: var(--font-display); font-size: var(--headline-lg); font-weight: 700; line-height: 1.25; }
.headline-md { font-family: var(--font-display); font-size: var(--headline-md); font-weight: 600; line-height: 1.3; }
.headline-sm { font-family: var(--font-display); font-size: var(--headline-sm); font-weight: 600; line-height: 1.35; }
.title-lg    { font-family: var(--font-display); font-size: var(--title-lg);    font-weight: 600; line-height: 1.4; }
.body-lg     { font-family: var(--font-body);    font-size: var(--body-lg);     font-weight: 400; line-height: 1.7; }
.label-lg    { font-family: var(--font-body);    font-size: var(--label-lg);    font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.875rem var(--sp-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--label-lg);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  box-shadow: 0 4px 24px -4px rgba(0, 64, 161, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px -4px rgba(0, 64, 161, 0.45);
  filter: brightness(1.08);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--surface-container-high);
  color: var(--primary);
  font-weight: 600;
}
.btn-secondary:hover {
  background: var(--surface-container-highest);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--on-primary);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.7);
}

.btn-lg {
  padding: 1.1rem var(--sp-8);
  font-size: var(--body-md);
}

/* ── Chip / Tag ── */
.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  background: rgba(0, 103, 125, 0.12);
  color: var(--secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Cards ── */
.card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  box-shadow: 0 32px 48px -4px rgba(25, 28, 30, 0.06);
  transform: translateY(-4px);
}

.card--glass {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--sp-2) 0; /* Unify padding */
  background: #ffffff !important; /* Force white */
  box-shadow: 0 4px 20px rgba(25, 28, 30, 0.08);
  transition: box-shadow var(--transition-base); /* Only shadow transitions if needed */
}

.navbar.scrolled {
  background: #ffffff !important;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.navbar__logo-img {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px;
  object-fit: contain;
  transition: filter var(--transition-fast);
  display: block;
}

.navbar__logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--on-surface);
  line-height: 1;
}

.navbar__logo-text span {
  color: var(--primary);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.navbar__link {
  font-size: var(--label-lg);
  font-weight: 500;
  color: var(--on-surface-variant);
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}

.navbar__link:hover { color: var(--primary); }

.navbar__menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
  color: var(--on-surface);
}

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, #002d7a 60%, var(--secondary-container) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('./assets/images/office_hero.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  mix-blend-mode: luminosity;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,180,216,0.25) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: var(--sp-24);
  max-width: 700px;
}

.hero__eyebrow {
  color: var(--tertiary);
  font-size: var(--label-lg);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--tertiary);
  border-radius: 1px;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: #ffffff;
  margin-bottom: var(--sp-8);
}

.hero__headline em {
  font-style: normal;
  background: linear-gradient(135deg, var(--tertiary) 0%, #90e0ef 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__body {
  color: rgba(255,255,255,0.72);
  font-size: 1.1rem;
  line-height: 1.75;
  margin-bottom: var(--sp-10);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: rgba(255,255,255,0.45);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

.hero__scroll-indicator svg {
  width: 20px;
  height: 20px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Metrics Bar ── */
.metrics {
  background: var(--surface-container-lowest);
  padding: var(--sp-8) 0;
  box-shadow: 0 -1px 0 rgba(25,28,30,0.06), 0 1px 0 rgba(25,28,30,0.06);
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-8);
  text-align: center;
}

.metric__value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--sp-1);
}

.metric__label {
  font-size: var(--body-md);
  color: var(--on-surface-variant);
  font-weight: 500;
}

/* ── How We Work ── */
.how-title {
  margin-bottom: var(--sp-4);
  color: var(--on-surface);
}

.how-subtitle {
  color: var(--on-surface-variant);
  max-width: 520px;
  margin-bottom: var(--sp-12);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-6);
}

.how-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,64,161,0.1), rgba(0,103,125,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
  color: var(--secondary);
  transition: background var(--transition-base);
}

.card:hover .how-card__icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.how-card__title {
  font-family: var(--font-display);
  font-size: var(--title-lg);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--on-surface);
}

.how-card__body {
  color: var(--on-surface-variant);
  font-size: var(--body-md);
  line-height: 1.7;
}

/* ── Services ── */
.services__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: end;
  margin-bottom: var(--sp-12);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-6);
}

.service-card {
  position: relative;
  overflow: hidden;
  padding: var(--sp-8);
  border-radius: var(--radius-xl);
  background: var(--surface-container-lowest);
  transition: all var(--transition-base);
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--tertiary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover::before { opacity: 1; }

.service-card:hover {
  box-shadow: 0 32px 48px -4px rgba(25, 28, 30, 0.07);
  transform: translateY(-6px);
}

.service-card__number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: var(--sp-4);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--headline-sm);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--on-surface);
}

.service-card__body {
  color: var(--on-surface-variant);
  font-size: var(--body-md);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* ── Social Proof / About ── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.about__images {
  position: relative;
  height: 480px;
}

.about__img-main {
  position: absolute;
  top: 0;
  left: 0;
  width: 72%;
  height: 78%;
  object-fit: cover;
  border-radius: var(--radius-2xl);
}

.about__img-secondary {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 56%;
  height: 58%;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: 0 32px 48px -4px rgba(25, 28, 30, 0.1);
}

.about__quote-chip {
  position: absolute;
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  padding: var(--sp-4) var(--sp-6);
  max-width: 220px;
  box-shadow: 0 16px 32px -8px rgba(25,28,30,0.12);
  z-index: 2;
}

.about__quote-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  font-style: italic;
}

.about__eyebrow {
  margin-bottom: var(--sp-4);
}

.about__title {
  margin-bottom: var(--sp-6);
  color: var(--on-surface);
}

.about__body {
  color: var(--on-surface-variant);
  margin-bottom: var(--sp-8);
}

.about__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}

.about__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}

.about__list-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-top: 2px;
}

/* ── Process Timeline ── */
.process__header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-6);
  position: relative;
}

.process__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(50% / 4);
  right: calc(50% / 4);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--tertiary));
  opacity: 0.25;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--sp-4);
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  box-shadow: 0 8px 24px -4px rgba(0,64,161,0.35);
  position: relative;
  z-index: 1;
}

.step__title {
  font-family: var(--font-display);
  font-size: var(--title-md);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--on-surface);
}

.step__body {
  color: var(--on-surface-variant);
  font-size: var(--body-md);
  line-height: 1.65;
}

/* ── CTA Section ── */
.cta-section {
  position: relative;
  overflow: hidden;
  padding: var(--sp-24) 0;
  background: linear-gradient(135deg, var(--primary) 0%, #002d7a 60%, var(--secondary-container) 100%);
}

.cta-section__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,180,216,0.2) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
  pointer-events: none;
}

.cta-section__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-section__eyebrow {
  color: var(--tertiary);
  font-size: var(--label-lg);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-6);
}

.cta-section__body {
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
  margin-bottom: var(--sp-10);
  line-height: 1.7;
}

.cta-section__body strong {
  display: block;
  margin-top: var(--sp-4);
  color: var(--tertiary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0, 180, 216, 0.1);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 180, 216, 0.2);
  display: inline-block;
}

.cta-section__actions {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ── */
.footer {
  background: var(--on-surface);
  color: rgba(255,255,255,0.7);
  padding: var(--sp-16) 0 var(--sp-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.footer__logo-img {
  width: 32px !important;
  height: 32px !important;
  min-width: 32px;
  object-fit: contain;
}

.footer__logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
}

.footer__tagline {
  color: rgba(255,255,255,0.5);
  font-size: var(--body-md);
  line-height: 1.65;
  margin-bottom: var(--sp-6);
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: var(--sp-3);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--primary);
  color: #fff;
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: var(--label-lg);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__col-link {
  font-size: var(--body-md);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}
.footer__col-link:hover { color: #fff; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ── Mobile Navigation Drawer ── */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 80%;
  max-width: 320px;
  background: var(--surface-container-lowest);
  z-index: 1100;
  padding: var(--sp-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: -24px 0 48px rgba(25,28,30,0.12);
}

.mobile-menu.open { transform: translateX(0); }

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(25,28,30,0.4);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(4px);
}
.mobile-menu__overlay.open { opacity: 1; pointer-events: auto; }

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
}

.mobile-menu__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--on-surface-variant);
  padding: var(--sp-2);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.mobile-menu__link {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--on-surface-variant);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-menu__link:hover {
  background: var(--surface-container-low);
  color: var(--primary);
}

.mobile-menu__cta {
  margin-top: var(--sp-6);
  width: 100%;
  justify-content: center;
}

/* ── Scroll Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .services__header { grid-template-columns: 1fr; gap: var(--sp-4); }
  .about__grid { grid-template-columns: 1fr; }
  .about__images { height: 340px; }
  .about__quote-chip { right: var(--sp-4); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
}

@media (max-width: 768px) {
  .navbar__nav { display: none; }
  .navbar__menu-btn { display: flex; }
  .hero__actions { flex-direction: column; max-width: 320px; }
  .hero__actions .btn { justify-content: center; }
  .metrics__grid { grid-template-columns: repeat(2, 1fr); }
  .about__images { height: 280px; }
  .about__img-main { width: 80%; height: 70%; }
  .about__img-secondary { width: 60%; height: 55%; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .footer__bottom { flex-direction: column; gap: var(--sp-2); text-align: center; }
  .process__steps::before { display: none; }
}

@media (max-width: 480px) {
  :root { --display-lg: 2.4rem; --display-md: 2rem; --headline-lg: 1.6rem; }
  .metrics__grid { grid-template-columns: 1fr 1fr; }
  .about__quote-chip { display: none; }
}

/* ── Project Cards ── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-6);
}

.project-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.project-card:hover {
  box-shadow: 0 32px 48px -4px rgba(25, 28, 30, 0.08);
  transform: translateY(-6px);
}

/* Gradient preview banner */
.project-card__preview {
  position: relative;
  height: 140px;
  background: linear-gradient(135deg, var(--proj-color) 0%, var(--proj-color2) 100%);
  overflow: hidden;
  flex-shrink: 0;
}

.project-card__preview-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.project-card__acronym {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.18);
}

/* Decorative floating circles */
.project-card__preview-circles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.project-card__preview-circles .pc1 {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  top: -20px;
  right: -20px;
}

.project-card__preview-circles .pc2 {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  bottom: -10px;
  left: 20px;
}

/* Card body */
.project-card__body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--headline-sm);
  font-weight: 800;
  color: var(--on-surface);
  margin-bottom: var(--sp-1);
  line-height: 1.2;
}

.project-card__subtitle {
  font-size: var(--body-md);
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: var(--sp-3);
}

.project-card__desc {
  font-size: var(--body-md);
  color: var(--on-surface-variant);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--sp-6);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--label-lg);
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: gap var(--transition-fast), color var(--transition-fast);
  margin-top: auto;
}

.project-card__link:hover {
  color: var(--secondary);
  gap: var(--sp-3);
}

.project-card__link svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.project-card__link:hover svg {
  transform: translate(2px, -2px);
}


/* ── Native Booking Modal ── */
.cal-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: all var(--transition-base);
}

.cal-modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.cal-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(25, 28, 30, 0.4);
  backdrop-filter: blur(8px);
}

.cal-modal__container {
  position: relative;
  width: 92%;
  max-width: 900px;
  height: 85vh;
  max-height: 800px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(24px);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform var(--transition-base);
}

.cal-modal[aria-hidden="false"] .cal-modal__container {
  transform: scale(1);
}

.cal-modal__header {
  padding: var(--sp-4) var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--outline-variant);
  background: rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}

.cal-modal__title {
  font-family: var(--font-display);
  font-size: var(--title-lg);
  font-weight: 700;
  color: var(--on-surface);
}

.cal-modal__close {
  background: rgba(0,0,0,0.05);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--on-surface-variant);
  transition: all var(--transition-fast);
}

.cal-modal__close:hover {
  background: var(--error-container);
  color: var(--error);
}

.cal-modal__body {
  flex: 1;
  background: #fff;
}

.cal-modal__body iframe {
  width: 100%;
  height: 100%;
}