/* ═══════════════════════════════════════════════════════════
   TOEPPER.ROCKS — Stylesheet
   Dark dev aesthetic · Teal accent palette · Full responsive
   ═══════════════════════════════════════════════════════════ */


/* ─────────────────────────────────────────────────────────
   01 · Custom Properties
   ───────────────────────────────────────────────────────── */
:root {
  /* Background scale */
  --c-bg-0:    #060b0b;
  --c-bg-1:    #091010;
  --c-bg-2:    #0c1616;
  --c-bg-card: #0f1c1c;

  /* Accent tones — pulled directly from logo palette */
  --c-teal-50:  #e0f5f4;
  --c-teal-100: #b6e0de;
  --c-teal-200: #7abcba;
  --c-teal-300: #51a09b;
  --c-teal-400: #32798b;
  --c-teal-500: #1c6d82;
  --c-teal-600: #134e60;

  /* Green-teal (right side of logo) */
  --c-green-300: #5aa09b;
  --c-green-400: #3d8a84;

  /* Text scale */
  --c-text-0: #f2faf9;
  --c-text-1: #c5e5e3;
  --c-text-2: #7db0ae;
  --c-text-3: #3d6e6b;
  --c-text-4: #1e3c3a;

  /* Semantic aliases */
  --c-accent:        var(--c-teal-200);
  --c-accent-bright: var(--c-teal-100);
  --c-accent-dim:    var(--c-teal-400);
  --c-border:        rgba(122, 188, 186, 0.10);
  --c-border-hover:  rgba(122, 188, 186, 0.28);
  --c-glow:          rgba(122, 188, 186, 0.12);
  --c-glow-strong:   rgba(50,  121, 139, 0.30);

  /* Golem hero glow */
  --c-golem-glow-1: rgba(28,  109, 130, 0.38);
  --c-golem-glow-2: rgba(50,  121, 139, 0.20);

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Layout */
  --container: 1200px;
  --nav-h:     72px;
  --gap:       1.5rem;

  /* Motion */
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:  cubic-bezier(0, 0, 0.2, 1);
  --t-fast:    0.18s;
  --t-base:    0.30s;
  --t-slow:    0.60s;

  /* Radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
}


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

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

body {
  font-family: var(--font-body);
  background-color: var(--c-bg-0);
  color: var(--c-text-1);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img  { display: block; max-width: 100%; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; }

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)'/%3E%3C/svg%3E");
  opacity: 0.022;
  pointer-events: none;
  z-index: 9999;
  animation: grainShift 9s steps(3) infinite;
}

@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  33%  { transform: translate(-4%, 3%); }
  66%  { transform: translate(3%, -4%); }
  100% { transform: translate(-2%, 2%); }
}


/* ─────────────────────────────────────────────────────────
   03 · Typography
   ───────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  color: var(--c-text-0);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

.accent {
  color: var(--c-accent);
}

.accent-gradient {
  background: linear-gradient(135deg, var(--c-teal-200) 0%, var(--c-green-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ─────────────────────────────────────────────────────────
   04 · Layout Utilities
   ───────────────────────────────────────────────────────── */
.container {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(5rem, 10vw, 9rem);
}

.section-header {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-label {
  display: block;
  color: var(--c-accent);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.02em;
}


/* ─────────────────────────────────────────────────────────
   05 · Progress Bar
   ───────────────────────────────────────────────────────── */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-teal-400), var(--c-teal-200), var(--c-green-300));
  transform-origin: left;
  transform: scaleX(0);
  z-index: 200;
  box-shadow: 0 0 10px var(--c-glow-strong);
  transition: none;
}


/* ─────────────────────────────────────────────────────────
   06 · Navigation
   ───────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--nav-h);
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition:
    background var(--t-base) var(--ease),
    border-color var(--t-base) var(--ease);
}

.nav.scrolled {
  background: rgba(6, 11, 11, 0.82);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-bottom-color: var(--c-border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  transition: opacity var(--t-base) var(--ease);
}
.nav-logo:hover { opacity: 0.75; }

.logo-svg {
  width: 34px;
  height: 34px;
  /* Colorize line-art black paths → teal */
  filter: brightness(0) saturate(100%)
    invert(70%) sepia(18%) saturate(650%)
    hue-rotate(152deg) brightness(95%);
  flex-shrink: 0;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-links a {
  position: relative;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color var(--t-base) var(--ease);
  padding-block: 0.25rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  border-radius: 1px;
  transition: width var(--t-base) var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--c-text-0);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* CTA nav item */
.nav-cta {
  padding: 0.45rem 1.1rem !important;
  border: 1px solid var(--c-border) !important;
  border-radius: var(--r-sm) !important;
  background: rgba(122, 188, 186, 0.05) !important;
  color: var(--c-accent) !important;
  transition: all var(--t-base) var(--ease) !important;
}
.nav-cta:hover {
  background: rgba(122, 188, 186, 0.13) !important;
  border-color: var(--c-accent) !important;
  color: var(--c-text-0) !important;
}
.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text-1);
  border-radius: 2px;
  transition: var(--t-base) var(--ease);
}


/* ─────────────────────────────────────────────────────────
   07 · Buttons
   ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.9rem;
  border-radius: var(--r-sm);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--t-base) var(--ease);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--c-accent);
  color: var(--c-bg-0);
  border-color: var(--c-accent);
}
.btn-primary:hover {
  background: var(--c-accent-bright);
  border-color: var(--c-accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(122, 188, 186, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--c-text-1);
  border-color: var(--c-border);
}
.btn-ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(122, 188, 186, 0.06);
  transform: translateY(-2px);
}


/* ─────────────────────────────────────────────────────────
   08 · Hero
   ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 680px;
  overflow: hidden;
  background: var(--c-bg-0);
}

/* ── Grid lines (subtle depth) */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(122, 188, 186, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 188, 186, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 0%, transparent 100%);
  pointer-events: none;
  animation: gridDrift 30s linear infinite;
}

@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 64px 64px, 64px 64px; }
}

/* ── Radial glow behind golem */
.hero-glow {
  position: absolute;
  bottom: -5%;
  left: 50%;
  transform: translateX(-50%);
  width: 90vw;
  max-width: 1000px;
  height: 75vh;
  background: radial-gradient(
    ellipse at 50% 80%,
    var(--c-golem-glow-1) 0%,
    var(--c-golem-glow-2) 35%,
    transparent 70%
  );
  pointer-events: none;
  animation: glowBreathe 6s ease-in-out infinite;
}

@keyframes glowBreathe {
  0%, 100% { opacity: 0.8; transform: translateX(-50%) scale(1);    }
  50%       { opacity: 1;   transform: translateX(-50%) scale(1.04); }
}

/* ── The Golem — centrepiece */
.hero-golem {
  position: absolute;
  bottom: -3%;
  left: 50%;
  transform: translateX(-50%);
  height: 86vh;
  width: auto;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
  z-index: 2;
  will-change: transform;
}

.hero-golem img {
  height: 100%;
  width: auto;
  object-fit: contain;
  user-select: none;
  filter:
    drop-shadow(0 0  35px rgba( 50, 121, 139, 0.45))
    drop-shadow(0 0  80px rgba( 28, 109, 130, 0.25))
    drop-shadow(0 20px 60px rgba(  0,   0,   0, 0.60));
}

/* ── Gradient fades — seamless transitions */
.hero-fade-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 32%;
  background: linear-gradient(to bottom, var(--c-bg-0) 0%, transparent 100%);
  z-index: 3;
  pointer-events: none;
}

.hero-fade-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 38%;
  background: linear-gradient(to top, var(--c-bg-1) 0%, transparent 100%);
  z-index: 3;
  pointer-events: none;
}

/* ── Text content */
.hero-content {
  position: absolute;
  inset-block-start: calc(var(--nav-h) + 1.5vh);
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--container), 100% - 3rem);
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  /* Align text to left within the hero grid, but golem can bleed through */
  max-width: 52%;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  opacity: 0;
  animation: slideUp 0.7s 0.15s var(--ease-out) both;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  letter-spacing: -0.025em;
  line-height: 1.0;
  opacity: 0;
  animation: slideUp 0.7s 0.30s var(--ease-out) both;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--c-teal-200) 0%, var(--c-green-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: var(--c-text-2);
  font-weight: 300;
  letter-spacing: 0.01em;
  opacity: 0;
  animation: slideUp 0.7s 0.45s var(--ease-out) both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  padding-top: 0.5rem;
  opacity: 0;
  animation: slideUp 0.7s 0.60s var(--ease-out) both;
}

/* ── Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s 1.4s ease both;
}

.hero-scroll .mono {
  font-size: 0.6rem;
  color: var(--c-accent);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--c-accent), transparent);
  border-radius: 1px;
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.25; transform: scaleY(1.0); }
  50%       { opacity: 0.9;  transform: scaleY(1.1); }
}


/* ─────────────────────────────────────────────────────────
   09 · About
   ───────────────────────────────────────────────────────── */
.about {
  background: var(--c-bg-1);
}

.about-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

/* ── Portrait photo */
.about-photo {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}

.photo-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--c-border-hover);
  box-shadow:
    0 0 0 4px rgba(122, 188, 186, 0.06),
    0 0 40px var(--c-glow-strong),
    0 24px 48px rgba(0, 0, 0, 0.5);
  transition:
    box-shadow  var(--t-slow) var(--ease),
    border-color var(--t-slow) var(--ease);
}

.photo-frame:hover {
  border-color: var(--c-accent);
  box-shadow:
    0 0 0 4px rgba(122, 188, 186, 0.10),
    0 0 60px var(--c-glow-strong),
    0 32px 64px rgba(0, 0, 0, 0.55);
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.65s var(--ease);
}

.photo-frame:hover img {
  transform: scale(1.04);
}

/* gradient overlay — teal fade from bottom */
.photo-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(28, 109, 130, 0.25) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* ── Right column wrapper */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.about-bio .lead {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 500;
  color: var(--c-text-0);
  line-height: 1.45;
  margin-bottom: 1.5rem;
}

.about-bio p {
  font-size: 0.95rem;
  color: var(--c-text-2);
  margin-bottom: 0.9rem;
  line-height: 1.75;
}

.about-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2.25rem;
  flex-wrap: wrap;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color var(--t-base) var(--ease);
}

.icon-link svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.icon-link:hover { color: var(--c-accent); }

/* Focus items */
.about-focus {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.focus-item {
  display: flex;
  align-items: flex-start;
  gap: 1.125rem;
  padding: 1.375rem 1.5rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition:
    border-color var(--t-base) var(--ease),
    box-shadow  var(--t-base) var(--ease),
    transform   var(--t-base) var(--ease);
}

.focus-item:hover {
  border-color: var(--c-border-hover);
  box-shadow: 0 0 24px var(--c-glow);
  transform: translateX(4px);
}

.focus-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(122, 188, 186, 0.08);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  color: var(--c-accent);
}

.focus-icon svg {
  width: 20px;
  height: 20px;
}

.focus-item h3 {
  font-size: 0.95rem;
  color: var(--c-text-0);
  margin-bottom: 0.25rem;
}

.focus-item p {
  font-size: 0.84rem;
  color: var(--c-text-2);
  line-height: 1.6;
}


/* ─────────────────────────────────────────────────────────
   10 · Stack
   ───────────────────────────────────────────────────────── */
.stack {
  background: var(--c-bg-0);
}

/* Faint corner decorations */
.stack::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 0% 50%, rgba(50,121,139,0.07) 0%, transparent 100%),
    radial-gradient(ellipse 60% 50% at 100% 50%, rgba(90,160,155,0.06) 0%, transparent 100%);
  pointer-events: none;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  position: relative;
  z-index: 1;
}

.stack-category {
  padding: 2rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition:
    border-color var(--t-base) var(--ease),
    box-shadow   var(--t-base) var(--ease);
}

.stack-category:hover {
  border-color: rgba(122, 188, 186, 0.22);
  box-shadow: 0 0 32px var(--c-glow);
}

.stack-cat-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag {
  padding: 0.35rem 0.8rem;
  background: rgba(122, 188, 186, 0.06);
  border: 1px solid var(--c-border);
  border-radius: calc(var(--r-sm) - 1px);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-text-1);
  transition:
    background     var(--t-fast) var(--ease),
    border-color   var(--t-fast) var(--ease),
    color          var(--t-fast) var(--ease);
}

.tag:hover {
  background: rgba(122, 188, 186, 0.14);
  border-color: var(--c-accent);
  color: var(--c-accent);
}


/* ─────────────────────────────────────────────────────────
   11 · Projects
   ───────────────────────────────────────────────────────── */
.projects {
  background: var(--c-bg-0);
}

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

.project-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.875rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition:
    border-color var(--t-base) var(--ease),
    box-shadow   var(--t-base) var(--ease),
    transform    var(--t-base) var(--ease);
}

/* Top-edge glow line — reveals on hover */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease);
}

.project-card:hover {
  border-color: rgba(122, 188, 186, 0.24);
  transform: translateY(-5px);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.45),
    0  0   28px var(--c-glow);
}

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

/* Featured card accent */
.project-card.featured {
  border-color: rgba(122, 188, 186, 0.18);
  background: linear-gradient(
    145deg,
    var(--c-bg-card) 0%,
    rgba(50, 121, 139, 0.07) 100%
  );
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.project-year {
  font-size: 0.72rem;
  color: var(--c-text-3);
}

.project-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tag-sm {
  padding: 0.18rem 0.55rem;
  background: rgba(122, 188, 186, 0.07);
  border: 1px solid rgba(122, 188, 186, 0.13);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-text-2);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--c-text-0);
}

.project-desc {
  font-size: 0.875rem;
  color: var(--c-text-2);
  line-height: 1.75;
  flex: 1;
}

.project-links {
  display: flex;
  gap: 1.25rem;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--c-border);
}

.project-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-text-3);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--t-base) var(--ease);
}

.project-link span {
  font-size: 0.9em;
  display: inline-block;
  transition: transform var(--t-base) var(--ease);
}

.project-link:hover { color: var(--c-accent); }
.project-link:hover span { transform: translate(2px, -2px); }


/* ─────────────────────────────────────────────────────────
   12 · Contact
   ───────────────────────────────────────────────────────── */
.contact {
  background: var(--c-bg-0);
  overflow: hidden;
}

/* Large background text watermark */
.contact::after {
  content: 'hello';
  position: absolute;
  right: -2%;
  bottom: -5%;
  font-family: var(--font-display);
  font-size: clamp(8rem, 22vw, 22rem);
  font-weight: 800;
  color: rgba(122, 188, 186, 0.025);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
}

.contact-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-sub {
  font-size: 1.05rem;
  color: var(--c-text-2);
  margin-top: -0.5rem;
}

/* ── Email capture form */
.contact-form {
  margin-top: 0.5rem;
  width: 100%;
  max-width: 480px;
}

.contact-label {
  display: block;
  font-size: 0.72rem;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.625rem;
}

.contact-input-wrap {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg-card);
  overflow: hidden;
  transition:
    border-color var(--t-base) var(--ease),
    box-shadow   var(--t-base) var(--ease);
}

.contact-input-wrap:focus-within {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(122, 188, 186, 0.12);
}

/* Shake animation on error */
.contact-input-wrap.error {
  border-color: rgba(220, 100, 100, 0.6);
  box-shadow: 0 0 0 3px rgba(220, 100, 100, 0.10);
  animation: shake 0.38s var(--ease) both;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.contact-input {
  flex: 1;
  min-width: 0;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-text-0);
  caret-color: var(--c-accent);
}

.contact-input::placeholder {
  color: var(--c-text-4);
}

.contact-submit {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 1.25rem;
  background: var(--c-accent);
  color: var(--c-bg-0);
  border: none;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--t-fast) var(--ease),
    gap        var(--t-base) var(--ease);
  white-space: nowrap;
}

.contact-submit:hover {
  background: var(--c-accent-bright);
  gap: 0.65rem;
}

.contact-submit:active {
  background: var(--c-teal-300);
}

.submit-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.contact-error {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(220, 100, 100, 0.85);
  min-height: 1.1em;
  transition: opacity var(--t-base) var(--ease);
}

/* Success state */
.contact-success {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  margin-top: 0.25rem;
  background: rgba(122, 188, 186, 0.07);
  border: 1px solid rgba(122, 188, 186, 0.25);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  color: var(--c-accent);
  animation: fadeInUp 0.5s var(--ease-out) both;
}

.contact-success.visible {
  display: flex;
}

.contact-success svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--c-accent);
}

/* ── Keep social links below the form but remove the old email link */
.contact-email {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3.5vw, 2rem);
  font-weight: 400;
  color: var(--c-accent);
  position: relative;
  padding-bottom: 5px;
  transition: color var(--t-base) var(--ease);
}

.contact-email::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-accent);
  transform-origin: right;
  transform: scaleX(0);
  transition: transform var(--t-base) var(--ease);
}

.contact-email:hover { color: var(--c-accent-bright); }

.contact-email:hover::after {
  transform-origin: left;
  transform: scaleX(1);
}

.contact-social {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-top: 1.75rem;
}

.social-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--c-text-3);
  transition: color var(--t-base) var(--ease);
}

.social-link:hover { color: var(--c-accent); }

.social-sep {
  color: var(--c-text-4);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}


/* ─────────────────────────────────────────────────────────
   13 · Footer
   ───────────────────────────────────────────────────────── */
.footer {
  background: var(--c-bg-1);
  border-top: 1px solid var(--c-border);
  padding-block: 2.25rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.82rem;
  color: var(--c-text-3);
}

.footer-logo-img {
  width: 26px;
  height: 26px;
  opacity: 0.55;
}

.footer-copy {
  font-size: 0.73rem;
  color: var(--c-text-4);
}


/* ─────────────────────────────────────────────────────────
   14 · Scroll Reveal Animations
   ───────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity   var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}

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

.delay-1 { transition-delay: 0.10s; }
.delay-2 { transition-delay: 0.20s; }
.delay-3 { transition-delay: 0.30s; }
.delay-4 { transition-delay: 0.40s; }


/* ─────────────────────────────────────────────────────────
   15 · Keyframes
   ───────────────────────────────────────────────────────── */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}


/* ─────────────────────────────────────────────────────────
   16 · Responsive — Tablet
   ───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  /* Collapse photo to a smaller column on tablet */
  .about-grid {
    grid-template-columns: 200px 1fr;
    gap: 2.5rem;
  }

  .about-photo {
    position: static; /* no more sticky on tablet */
  }

  .stack-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-content {
    max-width: 60%;
  }

  /* Tablet portrait (iPad) — golem sits lower so text clears the head */
  .hero-golem {
    height: auto;
    width: 75vw;
    bottom: -8%;
  }

  .hero-golem img {
    width: 100%;
    height: auto;
  }
}


/* ─────────────────────────────────────────────────────────
   17 · Responsive — Mobile
   ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Mobile nav */
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    background: rgba(6, 11, 11, 0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    padding: 3rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.4rem;
    color: var(--c-text-1);
  }

  .nav-burger {
    display: flex;
  }

  /* Hero */
  .hero-content {
    max-width: 100%;
  }

  /* Golem just slightly wider than screen — present but not overwhelming */
  .hero-golem {
    width: 108vw;
    height: auto;
  }

  .hero-golem img {
    width: 100%;
    height: auto;
  }

  .hero-fade-top {
    height: 42%;
  }

  /* About — stack vertically, photo centered */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-photo {
    position: static;
    max-width: 240px;
    margin-inline: auto;
  }

  .photo-frame {
    aspect-ratio: 1 / 1; /* square crop on mobile */
  }

  /* Sections */
  .stack-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}


/* ─────────────────────────────────────────────────────────
   18 · Responsive — Small Mobile
   ───────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2.6rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Slightly wider on small phones */
  .hero-golem {
    width: 112vw;
    height: auto;
  }

  .hero-fade-top {
    height: 52%;
  }

  .about {
    border-radius: var(--r-lg) var(--r-lg) 0 0;
  }

  .contact-social {
    flex-wrap: wrap;
    gap: 0.625rem;
  }
}


/* ─────────────────────────────────────────────────────────
   19 · Reduced Motion
   ───────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-eyebrow,
  .hero-title,
  .hero-tagline,
  .hero-actions,
  .hero-scroll {
    opacity: 1;
    animation: none;
  }
}