/* ═══════════════════════════════════════════════════════════════
   GLOBAL ARCHITECTS — style.css
   Complete Design System
   Dehradun, India | Est. 2017
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────
   TABLE OF CONTENTS
   1.  CSS Custom Properties (Design Tokens)
   2.  Time-Aware Color Palettes
   3.  Reset & Normalize
   4.  Base Typography
   5.  Utility Classes
   6.  Blueprint Overlay
   7.  Custom Cursor
   8.  Navigation
   9.  Mobile Menu
   10. Hero Section
   11. Philosophy Section
   12. Projects Preview
   13. Stats Section
   14. About Teaser
   15. Process Section
   16. CTA Section
   17. Footer
   18. Buttons
   19. Section Labels
   20. Print Styles
   ───────────────────────────────────────────────────────────── */


/* ═══════════════════════════════════════════════════════════════
   1. CSS CUSTOM PROPERTIES — Design Tokens
   ═══════════════════════════════════════════════════════════════ */

:root {

  /* ── Typography ── */
  --font-display:  'Playfair Display', serif;
  --font-body:     'DM Sans', sans-serif;
  --font-mono:     'DM Mono', monospace;

  /* Fluid type scale using clamp(min, preferred, max) */
  --text-hero:    clamp(3.5rem, 9vw, 9.5rem);
  --text-h1:      clamp(2.5rem, 5.5vw, 5.5rem);
  --text-h2:      clamp(1.875rem, 3.5vw, 3rem);
  --text-h3:      clamp(1.25rem, 2vw, 1.75rem);
  --text-body:    clamp(1rem, 1.15vw, 1.125rem);
  --text-sm:      clamp(0.875rem, 1vw, 0.9375rem);
  --text-caption: clamp(0.75rem, 0.85vw, 0.8125rem);
  --text-label:   clamp(0.6875rem, 0.8vw, 0.75rem);

  /* Line heights */
  --lh-tight:   1.05;
  --lh-snug:    1.25;
  --lh-normal:  1.6;
  --lh-relaxed: 1.75;
  --lh-loose:   1.9;

  /* Letter spacing */
  --ls-tightest: -0.04em;
  --ls-tight:    -0.02em;
  --ls-normal:    0em;
  --ls-wide:      0.06em;
  --ls-wider:     0.1em;
  --ls-widest:    0.18em;

  /* ── Spacing Scale ── */
  --space-1:   0.25rem;   /*  4px */
  --space-2:   0.5rem;    /*  8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.5rem;    /* 24px */
  --space-8:   2rem;      /* 32px */
  --space-10:  2.5rem;    /* 40px */
  --space-12:  3rem;      /* 48px */
  --space-16:  4rem;      /* 64px */
  --space-20:  5rem;      /* 80px */
  --space-24:  6rem;      /* 96px */
  --space-32:  8rem;      /* 128px */
  --space-40: 10rem;      /* 160px */

  /* ── Layout ── */
  --container-max:   1320px;
  --container-pad:   clamp(1.25rem, 5vw, 4rem);
  --section-pad:     clamp(4rem, 8vw, 9rem);

  /* ── Borders ── */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* ── Transitions ── */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:       cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 600ms;
  --duration-palette: 3000ms;

  /* ── Z-index Scale ── */
  --z-below:     -1;
  --z-base:       0;
  --z-raised:    10;
  --z-dropdown:  20;
  --z-sticky:    30;
  --z-overlay:   40;
  --z-modal:     50;
  --z-cursor:    300;
  --z-blueprint: 200;

  /* ── Shadows ── */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl:   0 24px 64px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.10);
}


/* ═══════════════════════════════════════════════════════════════
   2. TIME-AWARE COLOR PALETTES
   Applied via [data-theme] on <html>
   JS in theme.js sets the correct theme on load + toggles
   ═══════════════════════════════════════════════════════════════ */

/* ── DAWN (5am–8am) — Golden hour construction site ── */
[data-theme="dawn"] {
  --bg-primary:      #FAF6ED;
  --bg-secondary:    #F2EBD9;
  --bg-elevated:     #EDE3CC;
  --bg-inverse:      #2C1F0E;

  --text-primary:    #1E140A;
  --text-secondary:  #5C4530;
  --text-muted:      #967A5E;
  --text-inverse:    #FAF6ED;

  --accent-primary:  #B8752A;
  --accent-hover:    #9E5F18;
  --accent-subtle:   #F0D9B5;

  --border-primary:  #D4C4A8;
  --border-secondary:#E8DECA;

  --nav-bg:          rgba(250, 246, 237, 0.92);
  --hero-overlay:    rgba(30, 20, 10, 0.38);
  --blueprint-bg:    #1A1208;
  --blueprint-line:  #B8752A;
}

/* ── MORNING (8am–12pm) — Architect's bright studio ── */
[data-theme="morning"] {
  --bg-primary:      #F8F5F0;
  --bg-secondary:    #EEE9E1;
  --bg-elevated:     #E6DFD4;
  --bg-inverse:      #1C1A16;

  --text-primary:    #1C1A16;
  --text-secondary:  #5A5650;
  --text-muted:      #928C84;
  --text-inverse:    #F8F5F0;

  --accent-primary:  #8B6914;
  --accent-hover:    #6E5210;
  --accent-subtle:   #EDE0C4;

  --border-primary:  #C8C0B4;
  --border-secondary:#DDD5CA;

  --nav-bg:          rgba(248, 245, 240, 0.94);
  --hero-overlay:    rgba(28, 26, 22, 0.42);
  --blueprint-bg:    #0E0D0A;
  --blueprint-line:  #C4A882;
}

/* ── AFTERNOON (12pm–5pm) — Site visit hour ── */
[data-theme="afternoon"] {
  --bg-primary:      #F5F0E8;
  --bg-secondary:    #EAE3D8;
  --bg-elevated:     #E0D7C8;
  --bg-inverse:      #231F18;

  --text-primary:    #231F18;
  --text-secondary:  #6B6058;
  --text-muted:      #9C9088;
  --text-inverse:    #F5F0E8;

  --accent-primary:  #A0522D;
  --accent-hover:    #843F1E;
  --accent-subtle:   #EDD5BC;

  --border-primary:  #C8BEB2;
  --border-secondary:#DCD4C8;

  --nav-bg:          rgba(245, 240, 232, 0.94);
  --hero-overlay:    rgba(35, 31, 24, 0.44);
  --blueprint-bg:    #120F0A;
  --blueprint-line:  #C8A882;
}

/* ── EVENING (5pm–8pm) — Dusk rendering session ── */
[data-theme="evening"] {
  --bg-primary:      #1A1E2E;
  --bg-secondary:    #222636;
  --bg-elevated:     #2A2F42;
  --bg-inverse:      #F0EDE6;

  --text-primary:    #EDE8DF;
  --text-secondary:  #9A9590;
  --text-muted:      #5E5C58;
  --text-inverse:    #1A1E2E;

  --accent-primary:  #C4A060;
  --accent-hover:    #D4B478;
  --accent-subtle:   #2E2818;

  --border-primary:  #323648;
  --border-secondary:#282C3E;

  --nav-bg:          rgba(26, 30, 46, 0.94);
  --hero-overlay:    rgba(10, 12, 20, 0.55);
  --blueprint-bg:    #0C0E18;
  --blueprint-line:  #C4A060;
}

/* ── NIGHT (8pm–5am) — Late night studio mode ── */
[data-theme="night"] {
  --bg-primary:      #0A0A08;
  --bg-secondary:    #111110;
  --bg-elevated:     #1A1A18;
  --bg-inverse:      #F5F4F0;

  --text-primary:    #F5F4F0;
  --text-secondary:  #9A9890;
  --text-muted:      #5A5856;
  --text-inverse:    #0A0A08;

  --accent-primary:  #C8A882;
  --accent-hover:    #D4B896;
  --accent-subtle:   #1E1A14;

  --border-primary:  #2A2A28;
  --border-secondary:#1E1E1C;

  --nav-bg:          rgba(10, 10, 8, 0.96);
  --hero-overlay:    rgba(0, 0, 0, 0.58);
  --blueprint-bg:    #050505;
  --blueprint-line:  #C8A882;
}

/* ── Smooth palette transition ── */
html {
  transition:
    background-color var(--duration-palette) var(--ease-in-out),
    color           var(--duration-palette) var(--ease-in-out);
}


/* ═══════════════════════════════════════════════════════════════
   3. RESET & NORMALIZE
   ═══════════════════════════════════════════════════════════════ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition:
    background-color var(--duration-palette) var(--ease-in-out),
    color            var(--duration-palette) var(--ease-in-out);
}

/* Hide default cursor only when custom cursor is active */
@media (hover: hover) and (pointer: fine) {
  html.cursor-active *,
  html.cursor-active *::before,
  html.cursor-active *::after { cursor: none !important; }
}

.cursor {
  display: none !important;
}

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

img {
  height: auto;
}

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

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

address {
  font-style: normal;
}

/* Loading state — hide content until JS initializes */
body.js-loading .hero__content,
body.js-loading .nav {
  opacity: 0;
}


/* ═══════════════════════════════════════════════════════════════
   4. BASE TYPOGRAPHY
   ═══════════════════════════════════════════════════════════════ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

p {
  font-size: var(--text-body);
  line-height: var(--lh-normal);
  color: var(--text-secondary);
}

strong { font-weight: 600; color: var(--text-primary); }
em     { font-style: italic; }

small {
  font-size: var(--text-caption);
  color: var(--text-muted);
}


/* ═══════════════════════════════════════════════════════════════
   5. UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════ */

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden { @extend .sr-only; }


/* ═══════════════════════════════════════════════════════════════
   6. BLUEPRINT ENTRY OVERLAY
   ═══════════════════════════════════════════════════════════════ */

.blueprint-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-blueprint);
  background-color: var(--blueprint-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.blueprint-overlay.is-hidden {
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s var(--ease-in);
}

/* SVG canvas */
.blueprint-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Grid lines */
.bp-line {
  stroke: var(--blueprint-line);
  stroke-width: 0.5;
  opacity: 0.2;
  stroke-dasharray: 1440;
  stroke-dashoffset: 1440;
}

.bp-line--v {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
}

.bp-line--ground {
  stroke-width: 1;
  opacity: 0.5;
  stroke-dasharray: 1040;
  stroke-dashoffset: 1040;
}

.bp-line--dim {
  stroke-width: 0.5;
  opacity: 0.4;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
}

/* Building outline rects */
.bp-rect {
  fill: none;
  stroke: var(--blueprint-line);
  stroke-width: 1;
  opacity: 0.7;
  stroke-dasharray: 2200;
  stroke-dashoffset: 2200;
}

.bp-rect--detail {
  stroke-width: 0.75;
  opacity: 0.5;
  stroke-dasharray: 360;
  stroke-dashoffset: 360;
}

/* Text labels */
.bp-text {
  fill: var(--blueprint-line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-anchor: middle;
  opacity: 0;
}

.bp-text--label {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
}

.bp-text--sublabel {
  font-size: 8px;
  opacity: 0.5;
}

.bp-text--compass {
  font-size: 9px;
  font-weight: 500;
}

/* Compass circle */
.bp-compass circle {
  fill: none;
  stroke: var(--blueprint-line);
  stroke-width: 0.75;
  opacity: 0.4;
}

.bp-compass line {
  stroke: var(--blueprint-line);
  stroke-width: 0.75;
  opacity: 0.4;
}

/* Skip button */
.blueprint-skip {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--ls-wider);
  color: var(--blueprint-line);
  opacity: 0.6;
  padding: var(--space-2) var(--space-4);
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  transition: opacity var(--duration-base) var(--ease-out);
  text-transform: uppercase;
}

.blueprint-skip:hover {
  opacity: 1;
}

/* Firm label */
.blueprint-label {
  position: absolute;
  bottom: var(--space-12);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  opacity: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.blueprint-label__firm {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  font-weight: 500;
  color: var(--blueprint-line);
  letter-spacing: var(--ls-wide);
}

.blueprint-label__location {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--ls-widest);
  color: var(--blueprint-line);
  opacity: 0.6;
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════════════════════════
   7. CUSTOM CURSOR
   ═══════════════════════════════════════════════════════════════ */

@media (hover: hover) and (pointer: fine) {

  .cursor {
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-cursor);
    pointer-events: none;
    mix-blend-mode: normal;
  }

  /* Crosshair — default state */
  .cursor__crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    transition:
      opacity var(--duration-base) var(--ease-out),
      transform var(--duration-base) var(--ease-out);
  }

  .cursor__h,
  .cursor__v {
    position: absolute;
    background-color: var(--accent-primary);
    border-radius: var(--radius-full);
  }

  .cursor__h {
    width: 100%;
    height: 1px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
  }

  .cursor__v {
    width: 1px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
  }

  /* View circle — hover over project images */
  .cursor__circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    border: 1px solid var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition:
      transform var(--duration-slow) var(--ease-spring),
      opacity   var(--duration-slow) var(--ease-out);
  }

  .cursor__label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--ls-wider);
    color: var(--accent-primary);
    text-transform: uppercase;
    opacity: 0;
    transition: opacity var(--duration-slow) var(--ease-out);
  }

  /* Dot — hover over links/buttons */
  .cursor__dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--accent-primary);
    opacity: 0;
    transition:
      transform var(--duration-base) var(--ease-spring),
      opacity   var(--duration-base) var(--ease-out);
  }

  /* State: hovering project image */
  .cursor--view .cursor__crosshair { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  .cursor--view .cursor__circle    { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  .cursor--view .cursor__label     { opacity: 1; }

  /* State: hovering link/button */
  .cursor--link .cursor__crosshair { transform: translate(-50%, -50%) scale(0.6); opacity: 0.4; }
  .cursor--link .cursor__dot       { transform: translate(-50%, -50%) scale(1); opacity: 1; }

  /* State: hovering text */
  .cursor--text .cursor__crosshair { transform: translate(-50%, -50%) scaleX(0.1) scaleY(1.5); }

}


/* ═══════════════════════════════════════════════════════════════
   8. NAVIGATION
   ═══════════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-5) 0;
  background-color: transparent;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity      var(--duration-slower) var(--ease-out),
    transform    var(--duration-slower) var(--ease-out),
    background-color var(--duration-slow) var(--ease-out),
    padding      var(--duration-slow) var(--ease-out);
  pointer-events: none;
}

.nav.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.nav.is-scrolled {
  background-color: var(--nav-bg);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  padding: var(--space-4) 0;
  box-shadow: 0 1px 0 var(--border-secondary);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Logo */
.nav__logo {
  flex-shrink: 0;
  color: var(--text-primary);
  transition: opacity var(--duration-base) var(--ease-out);
}

.nav__logo:hover { opacity: 0.7; }

.nav__logo-svg {
  width: 130px;
  height: auto;
}

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--duration-base) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-primary);
  transition: width var(--duration-slow) var(--ease-out);
}

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

.nav__link:hover::after,
.nav__item--active .nav__link::after {
  width: 100%;
}

.nav__item--active .nav__link {
  color: var(--text-primary);
}

/* Nav actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-shrink: 0;
}

/* Theme toggle */
.nav__theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition:
    color   var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out);
}

.nav__theme-toggle svg {
  width: 18px;
  height: 18px;
}

.nav__theme-toggle:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

/* CTA button in nav */
.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--bg-primary);
  background-color: var(--text-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  transition:
    background-color var(--duration-base) var(--ease-out),
    color            var(--duration-base) var(--ease-out),
    transform        var(--duration-base) var(--ease-out);
}

.nav__cta:hover {
  background-color: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-1px);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.nav__hamburger-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--text-primary);
  transform-origin: center;
  transition:
    transform var(--duration-slow) var(--ease-in-out),
    opacity   var(--duration-base) var(--ease-out);
}

.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}


/* ═══════════════════════════════════════════════════════════════
   9. MOBILE MENU
   ═══════════════════════════════════════════════════════════════ */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background-color: var(--bg-inverse);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--container-pad);
  overflow: hidden;
  /* JS toggles hidden attribute */
}

.mobile-menu[hidden] { display: none; }

/* Animated bg lines */
.mobile-menu__lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mobile-menu__line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--text-inverse);
  opacity: 0.05;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease-out);
}

.mobile-menu__line:nth-child(1) { top: 33.33%; }
.mobile-menu__line:nth-child(2) { top: 50%; transition-delay: 0.05s; }
.mobile-menu__line:nth-child(3) { top: 66.66%; transition-delay: 0.1s; }

.mobile-menu.is-open .mobile-menu__line {
  transform: scaleX(1);
}

/* Close button */
.mobile-menu__close {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  font-size: 1.25rem;
  color: var(--text-inverse);
  opacity: 0.6;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--duration-base) var(--ease-out);
}

.mobile-menu__close:hover { opacity: 1; }

/* Nav links */
.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-menu__item {
  overflow: hidden;
}

.mobile-menu__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-6);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 500;
  color: var(--text-inverse);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  transform: translateY(100%);
  display: block;
  transition:
    transform var(--duration-slower) var(--ease-out),
    color     var(--duration-base) var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__link {
  transform: translateY(0);
}

.mobile-menu__item:nth-child(1) .mobile-menu__link { transition-delay: 0.05s; }
.mobile-menu__item:nth-child(2) .mobile-menu__link { transition-delay: 0.10s; }
.mobile-menu__item:nth-child(3) .mobile-menu__link { transition-delay: 0.15s; }
.mobile-menu__item:nth-child(4) .mobile-menu__link { transition-delay: 0.20s; }

.mobile-menu__link:hover { color: var(--accent-primary); }

.mobile-menu__num {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 300;
  letter-spacing: var(--ls-wider);
  color: var(--accent-primary);
  opacity: 0.8;
  display: inline-block;
  vertical-align: middle;
}

/* Footer info */
.mobile-menu__footer {
  position: absolute;
  bottom: var(--space-10);
  left: var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__location {
  font-size: var(--text-caption);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-inverse);
  opacity: 0.4;
}

.mobile-menu__email {
  font-size: var(--text-sm);
  color: var(--accent-primary);
  transition: opacity var(--duration-base) var(--ease-out);
}

.mobile-menu__email:hover { opacity: 0.7; }


/* ═══════════════════════════════════════════════════════════════
   10. HERO SECTION
   ═══════════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

/* Background video */
.hero__media {
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
  background-color: #1C1A16;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  opacity: 0;
  transition: opacity 0.8s var(--ease-out);
}

.hero.is-loaded .hero__video {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.2) 40%,
    rgba(0,0,0,0.06) 70%,
    transparent 100%
  );
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-12);
  right: var(--space-10);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  z-index: var(--z-raised);
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.4));
  animation: scrollLineAnim 2s var(--ease-in-out) infinite;
}

.hero__scroll-text {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  writing-mode: vertical-rl;
}

@keyframes scrollLineAnim {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Content */
.hero__content {
  position: relative;
  z-index: var(--z-raised);
  padding: var(--space-40) var(--container-pad) var(--space-20);
  max-width: var(--container-max);
  width: 100%;
  margin-inline: auto;
}

/* Eyebrow */
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-6);
  opacity: 0;
}

.hero__eyebrow-line {
  display: block;
  width: 32px;
  height: 1px;
  background-color: var(--accent-primary);
  opacity: 0.8;
}

/* Heading — kinetic */
.hero__heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tightest);
  color: #ffffff;
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.hero__heading-line {
  display: block;
}

.hero__heading-line--accent {
  color: var(--accent-primary);
}

/* Tagline */
.hero__tagline {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 300;
  letter-spacing: var(--ls-wider);
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  opacity: 0;
}

/* Description */
.hero__desc {
  font-size: var(--text-body);
  line-height: var(--lh-relaxed);
  color: rgba(255,255,255,0.65);
  max-width: 540px;
  margin-bottom: var(--space-10);
  opacity: 0;
}

/* CTAs */
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  opacity: 0;
}

/* Badge */
.hero__badge {
  position: absolute;
  right: var(--container-pad);
  bottom: var(--space-20);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  opacity: 0;
}

.hero__badge-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
  letter-spacing: var(--ls-tight);
}

.hero__badge-text {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-align: right;
  line-height: 1.4;
}


/* ═══════════════════════════════════════════════════════════════
   11. PHILOSOPHY SECTION
   ═══════════════════════════════════════════════════════════════ */

.philosophy {
  padding: var(--section-pad) 0;
  background-color: var(--bg-secondary);
}

.philosophy__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Quote */
.philosophy__quote {
  max-width: 820px;
  margin: var(--space-10) 0 var(--space-16);
}

.philosophy__quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 500;
  font-style: italic;
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}

.philosophy__quote-footer {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-secondary);
}

.philosophy__cite {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--text-muted);
  letter-spacing: var(--ls-wide);
}

.philosophy__cite-role {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--accent-primary);
}

/* Pillars */
.philosophy__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  padding-top: var(--space-16);
  border-top: 1px solid var(--border-secondary);
}

.philosophy__pillar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.philosophy__pillar-num {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-widest);
  color: var(--accent-primary);
  text-transform: uppercase;
}

.philosophy__pillar-title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: var(--ls-tight);
}

.philosophy__pillar-desc {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}


/* ═══════════════════════════════════════════════════════════════
   12. PROJECTS PREVIEW
   ═══════════════════════════════════════════════════════════════ */

.projects-preview {
  padding: var(--section-pad) 0;
  background-color: var(--bg-primary);
}

.projects-preview__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Header */
.projects-preview__header {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: var(--space-4) var(--space-8);
  margin-bottom: var(--space-12);
  align-items: end;
}

.projects-preview__heading {
  grid-column: 2;
  grid-row: 1 / 3;
  font-size: var(--text-h2);
  text-align: right;
}

.projects-preview__view-all {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--accent-primary);
  grid-column: 2;
  grid-row: 3;
  text-align: right;
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--accent-primary);
  transition:
    color   var(--duration-base) var(--ease-out),
    opacity var(--duration-base) var(--ease-out);
}

.projects-preview__view-all:hover {
  opacity: 0.7;
}

/* Projects grid — asymmetric layout */
.projects-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-4);
}

/* Large card spans full height on left */
.project-card--large {
  grid-row: 1 / 3;
}

/* Project card */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
}

.project-card__link {
  display: block;
  height: 100%;
  position: relative;
}

/* Media */
.project-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
  background-color: var(--bg-elevated);
}

.project-card--large .project-card__media {
  aspect-ratio: unset;
  height: 680px;
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.project-card:hover .project-card__img {
  transform: scale(1.04);
}

/* Material texture overlay */
.project-card__texture {
  position: absolute;
  inset: 0;
  opacity: 0;
  mix-blend-mode: overlay;
  transition: opacity 0.4s var(--ease-out);
  background-size: cover;
  background-position: center;
}

[data-material="concrete"] .project-card__texture {
  background-image: url('../assets/textures/concrete.webp');
}

[data-material="glass"] .project-card__texture {
  background-image: url('../assets/textures/glass.webp');
}

[data-material="stone"] .project-card__texture {
  background-image: url('../assets/textures/stone.webp');
}

[data-material="wood"] .project-card__texture {
  background-image: url('../assets/textures/wood.webp');
}

.project-card:hover .project-card__texture {
  opacity: 0.2;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.65) 0%,
    rgba(0,0,0,0.15) 45%,
    transparent 70%
  );
  opacity: 0.7;
  transition: opacity 0.4s var(--ease-out);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

/* Info */
.project-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  z-index: var(--z-raised);
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-2);
}

.project-card__separator { opacity: 0.4; }

.project-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  color: #ffffff;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-2);
  transition: transform var(--duration-slow) var(--ease-out);
}

.project-card:hover .project-card__title {
  transform: translateY(-4px);
}

.project-card__material {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  color: var(--accent-primary);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity    var(--duration-slow) var(--ease-out),
    transform  var(--duration-slow) var(--ease-out);
}

.project-card:hover .project-card__material {
  opacity: 1;
  transform: translateY(0);
}

.project-card__arrow {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: 1.25rem;
  color: rgba(255,255,255,0.5);
  transform: translate(-4px, 4px);
  opacity: 0;
  transition:
    opacity   var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.project-card:hover .project-card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}


/* ═══════════════════════════════════════════════════════════════
   13. STATS SECTION
   ═══════════════════════════════════════════════════════════════ */

.stats {
  padding: var(--section-pad) 0 0;
  background-color: var(--bg-primary);
  overflow: hidden;
}

.stats__container {
  max-width: var(--container-max);
  margin-inline: auto;
}

.stats__inner {
  padding-inline: var(--container-pad);
}

.stats__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
  padding: var(--space-16) 0;
  border-top: 1px solid var(--border-secondary);
  border-bottom: 1px solid var(--border-secondary);
}

.stats__item {
  text-align: center;
  padding: var(--space-4) var(--space-6);
}

.stats__divider {
  width: 1px;
  height: 64px;
  background-color: var(--border-secondary);
  flex-shrink: 0;
}

.stats__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.stats__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
}

.stats__num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 4.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: var(--ls-tight);
}

.stats__unit {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
  font-weight: 400;
  color: var(--accent-primary);
}

/* Marquee */
.stats__marquee {
  overflow: hidden;
  background-color: var(--accent-primary);
  padding: var(--space-4) 0;
  margin-top: var(--space-16);
  white-space: nowrap;
}

.stats__marquee-track {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  animation: marquee 28s linear infinite;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--bg-primary);
}

.stats__marquee-dot {
  opacity: 0.5;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}


/* ═══════════════════════════════════════════════════════════════
   14. ABOUT TEASER
   ═══════════════════════════════════════════════════════════════ */

.about-teaser {
  padding: var(--section-pad) 0;
  background-color: var(--bg-secondary);
}

.about-teaser__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(3rem, 6vw, 8rem);
  align-items: center;
}

/* Image side */
.about-teaser__media {
  position: relative;
}

.about-teaser__img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4/5;
  background-color: var(--bg-elevated);
}

.about-teaser__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.about-teaser__img-wrap:hover .about-teaser__img {
  transform: scale(1.03);
}

/* Floating credential card */
.about-teaser__card {
  position: absolute;
  bottom: calc(-1 * var(--space-8));
  right: calc(-1 * var(--space-8));
  background-color: var(--bg-primary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  box-shadow: var(--shadow-lg);
}

.about-teaser__card-name {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--text-primary);
}

.about-teaser__card-title {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.about-teaser__card-year {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-top: var(--space-2);
}

/* Text side */
.about-teaser__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-teaser__heading {
  font-size: var(--text-h2);
  line-height: var(--lh-tight);
}

.about-teaser__text {
  font-size: var(--text-body);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}

/* Skills */
.about-teaser__skills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.about-teaser__skill {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  transition:
    color            var(--duration-base) var(--ease-out),
    border-color     var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out);
}

.about-teaser__skill:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background-color: var(--accent-subtle);
}


/* ═══════════════════════════════════════════════════════════════
   15. PROCESS SECTION
   ═══════════════════════════════════════════════════════════════ */

.process {
  padding: var(--section-pad) 0;
  background-color: var(--bg-primary);
}

.process__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.process__header {
  margin-bottom: var(--space-16);
  max-width: 640px;
}

.process__heading {
  font-size: var(--text-h2);
  margin-top: var(--space-6);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.process__step {
  padding-right: var(--space-10);
}

.process__step:not(:last-child) {
  border-right: 1px solid var(--border-secondary);
  margin-right: 0;
}

.process__step:not(:first-child) {
  padding-left: var(--space-10);
  padding-right: 0;
}

.process__step:nth-child(2) {
  padding-right: var(--space-10);
}

.process__step-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  height: 100%;
  position: relative;
}

.process__step-num {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  color: var(--accent-primary);
  display: block;
}

.process__step-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: var(--ls-tight);
}

.process__step-desc {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}


/* ═══════════════════════════════════════════════════════════════
   16. CTA SECTION
   ═══════════════════════════════════════════════════════════════ */

.cta-section {
  padding: var(--section-pad) 0;
  background-color: var(--bg-secondary);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  position: relative;
  z-index: var(--z-raised);
}

.cta-section__bg-lines {
  position: absolute;
  inset: 0;
  color: var(--text-primary);
  pointer-events: none;
}

.cta-section__bg-lines svg {
  width: 100%;
  height: 100%;
}

.cta-section__question {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-6);
}

.cta-section__heading {
  font-size: var(--text-h1);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-6);
}

.cta-section__sub {
  font-size: var(--text-body);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
}

.cta-section__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.cta-section__email {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--ls-wide);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-primary);
  padding-bottom: 2px;
  transition:
    color        var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

.cta-section__email:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}


/* ═══════════════════════════════════════════════════════════════
   17. FOOTER
   ═══════════════════════════════════════════════════════════════ */

.footer {
  background-color: var(--bg-inverse);
  color: var(--text-inverse);
  padding: var(--space-16) 0 var(--space-10);
}

.footer__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.footer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.footer__logo {
  color: var(--text-inverse);
  transition: opacity var(--duration-base) var(--ease-out);
}

.footer__logo:hover { opacity: 0.7; }

.footer__logo-svg {
  width: 140px;
  height: auto;
}

.footer__philosophy {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--text-inverse);
  opacity: 0.6;
  max-width: 280px;
  line-height: var(--lh-relaxed);
}

.footer__social {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-end;
}

.footer__social-link {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-inverse);
  opacity: 0.5;
  transition: opacity var(--duration-base) var(--ease-out);
}

.footer__social-link:hover { opacity: 1; }

.footer__divider {
  width: 100%;
  height: 1px;
  background-color: var(--text-inverse);
  opacity: 0.1;
  margin-bottom: var(--space-8);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__address {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-caption);
  color: var(--text-inverse);
  opacity: 0.5;
}

.footer__firm {
  font-weight: 500;
  opacity: 1;
}

.footer__sep { opacity: 0.3; }

.footer__email {
  transition: opacity var(--duration-base) var(--ease-out);
}

.footer__email:hover { opacity: 1; }

.footer__copy {
  font-size: var(--text-label);
  color: var(--text-inverse);
  opacity: 0.3;
}


/* ═══════════════════════════════════════════════════════════════
   18. BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  min-height: 50px;
  transition:
    background-color var(--duration-base) var(--ease-out),
    color            var(--duration-base) var(--ease-out),
    border-color     var(--duration-base) var(--ease-out),
    transform        var(--duration-base) var(--ease-out),
    box-shadow       var(--duration-base) var(--ease-out);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Primary — solid accent */
.btn--primary {
  background-color: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Ghost — transparent with white border (for hero) */
.btn--ghost {
  background-color: transparent;
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.4);
}

.btn--ghost:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  color: #ffffff;
}

/* Outline — transparent with text-color border */
.btn--outline {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-primary);
}

.btn--outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Large */
.btn--large {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-body);
  min-height: 58px;
}


/* ═══════════════════════════════════════════════════════════════
   19. SECTION LABELS
   ═══════════════════════════════════════════════════════════════ */

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--accent-primary);
}

.section-label__line {
  display: block;
  width: 28px;
  height: 1px;
  background-color: currentColor;
  flex-shrink: 0;
}


/* ═══════════════════════════════════════════════════════════════
   20. PRINT STYLES
   ═══════════════════════════════════════════════════════════════ */

@media print {
  .blueprint-overlay,
  .cursor,
  .nav,
  .hero__scroll-hint,
  .stats__marquee,
  .mobile-menu {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .hero__media {
    display: none;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 10pt;
    color: #666;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }

  .projects-grid,
  .philosophy__pillars,
  .process__steps {
    grid-template-columns: 1fr;
  }
}
