/* ==========================================================================
   Dyoxa Tech — Company Profile
   Design system: Glassmorphism dark mode (Space Grotesk + Geist + JetBrains Mono)
   Tokens sourced from DESIGN.md & code.html palette.
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Brand accents */
  --c-primary:        #06b6d4;   /* electric cyan  */
  --c-primary-dim:    #0891b2;
  --c-secondary:      #a855f7;   /* neon magenta   */
  --c-tertiary:       #3b82f6;   /* quantum blue   */
  --c-error:          #ffb4ab;

  /* Neutrals */
  --bg:               #0e0f14;
  --surface:          #0e0f14;
  --surface-lowest:   #0b0c10;
  --surface-low:      #13151a;
  --surface-container:#181a20;
  --surface-high:     #22252d;
  --surface-highest:  #2e323c;
  --surface-bright:   #343844;
  --outline:          #869397;
  --outline-variant:  #3d494c;

  /* Text */
  --text:             #f8fafc;
  --text-on:          #ffffff;
  --text-muted:       #bcc9cd;
  --on-surface-dim:   #9aa5ac;

  /* Gradients */
  --grad-brand:       linear-gradient(90deg, #06b6d4, #a855f7);
  --grad-brand-soft:  linear-gradient(135deg, rgba(6,182,212,.18), rgba(168,85,247,.14));

  /* Glass */
  --glass:            rgba(18, 19, 24, .55);
  --glass-strong:     rgba(24, 26, 32, .85);
  --border-hair:      1px solid rgba(148, 163, 184, .10);

  /* Effects */
  --shadow-cyan:      0 0 24px rgba(6, 182, 212, .45);
  --shadow-purple:    0 0 24px rgba(168, 85, 247, .45);
  --shadow-card:      0 6px 24px rgba(0, 0, 0, .35);
  --glow-cyan:        0 0 18px rgba(6, 182, 212, .55);
  --glow-purple:      0 0 18px rgba(168, 85, 247, .55);
  --ring:             0 0 0 4px rgba(6, 182, 212, .25);

  /* Type */
  --font-display:     "Space Grotesk", system-ui, sans-serif;
  --font-body:        "Geist", system-ui, sans-serif;
  --font-mono:        "JetBrains Mono", ui-monospace, monospace;

  --fs-hero:          clamp(2.1rem, 4.4vw + .6rem, 3.6rem);
  --fs-title:         clamp(1.6rem, 2.6vw + .4rem, 2.4rem);
  --fs-lead:          1.125rem;
  --fs-base:          .95rem;
  --fs-sm:            .85rem;
  --fs-xs:            .78rem;

  --radius:           8px;
  --radius-lg:        12px;
  --radius-xl:        20px;
  --radius-full:      999px;

  --ease:             cubic-bezier(.16, 1, .3, 1);
  --header-h:         80px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--c-primary); color: #042a33; }

:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4,
.brand-name,
.btn,
.eyebrow { font-family: var(--font-display); }

/* Scrollbar (WebKit) */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--c-primary), var(--c-secondary)); border-radius: 8px; }

/* Utility */
.container { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: clamp(20px, 5vw, 64px); }
.container--narrow { max-width: 900px; }
.icon-sm { font-size: 16px !important; }
.icon-md { font-size: 18px !important; }
.icon-xl { font-size: 34px !important; }
.icon-2xl { font-size: 26px !important; }

.text-primary   { color: var(--c-primary) !important; }
.text-secondary { color: var(--c-secondary) !important; }

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
  line-height: 1;
}

.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;
}

/* Typographic helpers */
.grad-text { background-clip: text; -webkit-background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.grad-text--hero { background-image: linear-gradient(90deg, #06b6d4, #22d3ee, #a855f7); filter: drop-shadow(0 0 28px rgba(6, 182, 212, .35)); }
.grad-text--cyan { background-image: linear-gradient(180deg, #22d3ee, #06b6d4); }
.grad-text--purple { background-image: linear-gradient(180deg, #d8b4fe, #a855f7); }

/* ---------- 3. Buttons & chips ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .72rem 1.4rem;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  font-size: .92rem; font-weight: 500; letter-spacing: .01em;
  transition: transform .18s var(--ease), box-shadow .3s var(--ease), opacity .2s, background .2s, border-color .2s;
  will-change: transform;
}
.btn:active { transform: translateY(1px); }

.btn-lg { padding: .95rem 1.7rem; font-size: .98rem; }

.btn-primary {
  color: var(--text-on);
  background-image: linear-gradient(90deg, #06b6d4, #06b6d4 55%, #a855f7);
  border-color: rgba(6, 182, 212, .5);
  box-shadow: 0 0 22px rgba(6, 182, 212, .4);
}
.btn-primary:hover { box-shadow: 0 0 30px rgba(168, 85, 247, .55); transform: translateY(-2px); }

.btn-ghost {
  background: var(--surface-container);
  border-color: rgba(61, 73, 76, .45);
  color: var(--text);
  box-shadow: 0 0 14px rgba(168, 85, 247, .06);
}
.btn-ghost:hover { background: var(--surface-bright); border-color: rgba(168, 85, 247, .55); transform: translateY(-2px); }

.btn-block { width: 100%; }
.btn .material-symbols-outlined { font-size: 18px !important; }

.btn-cta {
  background-image: linear-gradient(90deg, #06b6d4, #a855f7);
  color: var(--text-on);
  box-shadow: 0 0 20px rgba(6, 182, 212, .35);
  white-space: nowrap;
}
.btn-cta:hover { box-shadow: 0 0 28px rgba(168, 85, 247, .6); transform: translateY(-2px); }

.chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .9rem; border-radius: var(--radius-full);
  font-size: var(--fs-xs); font-weight: 500; letter-spacing: .04em;
  background: var(--surface-high); border: 1px solid;
  font-family: var(--font-mono);
}
.chip-lg { padding: .55rem 1rem; }
.chip-primary {
  color: var(--c-primary);
  border-color: rgba(6, 182, 212, .35);
  box-shadow: 0 0 14px rgba(6, 182, 212, .12);
}

.badge {
  display: inline-block; padding: .25rem .6rem; border-radius: var(--radius);
  font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500;
  letter-spacing: .05em; white-space: nowrap;
}
.badge-primary { color: var(--c-primary); background: rgba(6,182,212,.12); border: 1px solid rgba(6,182,212,.35); }
.badge-secondary { color: var(--c-secondary); background: rgba(168,85,247,.12); border: 1px solid rgba(168,85,247,.35); }
.badge-soft { border-radius: 6px; }
.badge--c { color: var(--c-primary); background: rgba(6,182,212,.1); border: 1px solid rgba(6,182,212,.32); }
.badge--p { color: var(--c-secondary); background: rgba(168,85,247,.1); border: 1px solid rgba(168,85,247,.32); }
.badge--b { color: #93c5fd; background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.35); }

/* ---------- 4. Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  height: var(--header-h);
  background: rgba(14, 15, 20, .8);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(6, 182, 212, .12);
  box-shadow: 0 4px 30px rgba(6, 182, 212, .06);
}
.header-inner {
  height: 100%; max-width: 1280px; margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}

.brand { display: inline-flex; align-items: center; gap: .65rem; }
.brand-mark { width: 40px; height: 40px; filter: drop-shadow(0 0 10px rgba(6, 182, 212, .45)); }
.brand-mark--sm { width: 34px; height: 34px; }
.brand-name { font-size: 1.25rem; font-weight: 700; letter-spacing: .02em; color: var(--text); }
.brand-name em { font-style: normal; background: var(--grad-brand); background-clip: text; -webkit-background-clip: text; color: transparent; }

.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.2rem); }
.nav-link {
  position: relative; color: var(--text-muted);
  font-size: .95rem; font-weight: 500;
  padding: .3rem 0; transition: color .2s;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--grad-brand); border-radius: 2px; transition: width .28s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--c-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: .75rem; }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px;
  background: var(--surface-container); border: 1px solid var(--outline-variant);
  border-radius: 10px;
}
.toggle-bar { display: block; height: 2px; width: 100%; background: var(--c-primary); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Sections, headings ---------- */
.section { position: relative; padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.section--alt { background: var(--surface-lowest); border-block: 1px solid rgba(6,182,212,.08); }
.section--cta { overflow: hidden; }

.section-veil {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at top, rgba(6, 182, 212, .05), transparent 60%);
}

.section-head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1rem; max-width: 700px; margin: 0 auto clamp(3rem, 6vw, 4.5rem); }
.section-title { font-size: var(--fs-title); line-height: 1.15; letter-spacing: -.02em; }
.section-lead { font-size: var(--fs-lead); color: var(--text-muted); }
.section-sub { font-size: 1rem; color: var(--text-muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-mono); font-size: .78rem; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--c-primary);
}
.eyebrow--center { justify-content: center; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-primary); box-shadow: 0 0 8px rgba(6, 182, 212, .9); }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 100svh; padding: calc(var(--header-h) + clamp(2rem,6vw,4rem)) 0 clamp(3rem,7vw,5rem);
  overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(130px); pointer-events: none; z-index: 0; }
.hero-glow--c { width: 520px; height: 520px; top: -160px; right: -160px; background: rgba(6, 182, 212, .18); }
.hero-glow--m { width: 520px; height: 520px; bottom: -160px; left: -160px; background: rgba(168, 85, 247, .18); }

.hero-grid { position: relative; z-index: 2; display: grid; gap: clamp(2.5rem, 5vw, 4rem); align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; max-width: 700px; }
.hero-title { font-size: var(--fs-hero); line-height: 1.05; letter-spacing: -.03em; font-weight: 700; }
.hero-sub { font-size: var(--fs-lead); color: var(--text-muted); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; padding-top: .5rem; }

/* Terminal dashboard card */
.hero-card {
  position: relative; width: 100%; max-width: 480px; aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl); overflow: hidden;
  background: var(--surface-low);
  border: 1px solid rgba(6, 182, 212, .22);
  box-shadow: 0 0 50px rgba(6, 182, 212, .12), var(--shadow-card);
  display: flex; flex-direction: column; padding: 1.4rem;
}
.hero-card-shine {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(135deg, rgba(6,182,212,.12), transparent 45%, rgba(168,85,247,.14));
}
.term-top { display: flex; align-items: center; justify-content: space-between; }
.dots { display: flex; gap: .4rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; box-shadow: 0 0 6px currentColor; }
.dot--r { background: var(--c-error); color: rgba(255,180,171,.9); }
.dot--p { background: var(--c-secondary); color: rgba(168,85,247,.9); }
.dot--c { background: var(--c-primary); color: rgba(6,182,212,.9); }
.term-title { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--c-primary); letter-spacing: .04em; }

.term-body { margin: auto 0; display: flex; flex-direction: column; gap: .9rem; }
.term-row {
  display: flex; align-items: center; justify-content: space-between; gap: .8rem;
  padding: .9rem 1rem; border-radius: var(--radius-lg);
  background: var(--glass-strong); border: 1px solid rgba(6,182,212,.3);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 0 18px rgba(6,182,212,.08);
  transition: border-color .3s, box-shadow .3s;
}
.term-row:nth-child(2) { border-color: rgba(168,85,247,.3); box-shadow: 0 0 18px rgba(168,85,247,.08); }
.term-row:hover { border-color: var(--c-primary); }
.term-cell { display: flex; align-items: center; gap: .85rem; }
.term-cell-title { font-family: var(--font-display); font-weight: 600; font-size: .95rem; }
.term-cell-sub { font-size: var(--fs-xs); color: var(--text-muted); }
.term-cell .text-secondary { filter: drop-shadow(0 0 8px rgba(168,85,247,.6)); }
.term-cell .text-primary { filter: drop-shadow(0 0 8px rgba(6,182,212,.6)); }

.term-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; border-top: 1px solid rgba(6, 182, 212, .18);
}
.term-meta { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); }
.term-meta strong { color: var(--c-primary); }
.term-meta--pulse { color: var(--c-secondary); display: inline-flex; align-items: center; gap: .45rem; }
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-secondary); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(168,85,247,.5); } 50% { box-shadow: 0 0 0 6px rgba(168,85,247,0); } }

/* ---------- 7. Tentang (About) ---------- */
.about-grid { position: relative; z-index: 1; display: grid; gap: clamp(2.5rem,5vw,4rem); align-items: center; }
.about-copy { display: flex; flex-direction: column; gap: 1.25rem; align-items: flex-start; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; width: 100%; padding-top: 1.5rem; }
.stat { display: flex; flex-direction: column; gap: .1rem; padding: 1.1rem 1rem; border-radius: var(--radius-lg); background: var(--surface-container); box-shadow: var(--shadow-card); }
.stat--c { border: 1px solid rgba(6,182,212,.2); }
.stat--p { border: 1px solid rgba(168,85,247,.2); }
.stat-num { font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 700; }
.stat-label { font-size: var(--fs-sm); color: var(--text-muted); }

.about-visual { position: relative; }
.about-visual-inner {
  position: relative; height: 400px; border-radius: var(--radius-xl); overflow: hidden;
  background: var(--surface-container); border: 1px solid rgba(6,182,212,.28);
  box-shadow: 0 0 40px rgba(6,182,212,.16);
}
.about-art-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: transform .8s var(--ease); }
.about-visual-inner:hover .about-art-img { transform: scale(1.06); }
.about-art-fallback {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(6,182,212,.28), transparent 45%),
    radial-gradient(circle at 75% 80%, rgba(168,85,247,.28), transparent 45%),
    linear-gradient(135deg, #101320, #0b0c10);
}
.about-art-fallback::before, .about-art-fallback::after {
  content: ""; position: absolute; inset: -2px;
  background: repeating-linear-gradient(0deg, transparent 0 38px, rgba(6,182,212,.05) 38px 39px);
  -webkit-mask: radial-gradient(circle at 50% 45%, #000 30%, transparent 72%);
          mask: radial-gradient(circle at 50% 45%, #000 30%, transparent 72%);
}
.about-art-fallback::after {
  background: repeating-linear-gradient(90deg, transparent 0 38px, rgba(168,85,247,.05) 38px 39px);
}
.about-art-icon { position: absolute; z-index: 2; left: 1.4rem; top: 1.4rem; font-size: 30px !important; filter: drop-shadow(0 0 10px rgba(6,182,212,.8)); }
.about-art-icon--b { left: auto; top: auto; right: 1.4rem; bottom: 1.4rem; filter: drop-shadow(0 0 10px rgba(168,85,247,.8)); }
.about-art-chip {
  position: absolute; z-index: 2; padding: .45rem .9rem; border-radius: var(--radius);
  font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500;
  background: var(--glass-strong); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.about-art-chip--c { right: 1.4rem; top: 1.4rem; color: var(--c-primary); border: 1px solid rgba(6,182,212,.4); }
.about-art-chip--p { left: 1.4rem; bottom: 1.4rem; color: var(--c-secondary); border: 1px solid rgba(168,85,247,.4); }
.about-grid-lines { position: absolute; inset: 0; background-image: linear-gradient(rgba(6,182,212,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(6,182,212,.04) 1px, transparent 1px); background-size: 44px 44px; }

/* ---------- 8. Cards ---------- */
.card {
  border-radius: var(--radius-xl);
  background: var(--surface-container);
  border: 1px solid;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}

/* Accent helpers (used across service/tech/why cards) */
[data-accent="c"] { --acc: var(--c-primary); --acc-rgb: 6,182,212; }
[data-accent="p"] { --acc: var(--c-secondary); --acc-rgb: 168,85,247; }
[data-accent="b"] { --acc: #60a5fa; --acc-rgb: 59,130,246; }

/* ---------- Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 1.5rem; }
.service-card {
  display: flex; flex-direction: column; gap: 1rem; padding: 2rem;
  border-color: color-mix(in srgb, var(--acc) 22%, transparent);
}
.service-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--acc) 60%, transparent); box-shadow: 0 0 30px color-mix(in srgb, var(--acc) 20%, transparent), var(--shadow-card); }
.service-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--acc);
  background: linear-gradient(135deg, color-mix(in srgb, var(--acc) 22%, transparent), color-mix(in srgb, var(--acc) 8%, transparent));
  border: 1px solid color-mix(in srgb, var(--acc) 40%, transparent);
  box-shadow: 0 0 16px color-mix(in srgb, var(--acc) 30%, transparent);
  transition: transform .3s var(--ease);
}
.service-icon--duo { background: linear-gradient(135deg, color-mix(in srgb, var(--acc) 20%, transparent), color-mix(in srgb, 168 85 247 / 18%, transparent)); }
.service-card:hover .service-icon { transform: scale(1.1) rotate(-4deg); }
.service-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }
.service-desc { color: var(--text-muted); font-size: var(--fs-base); }

/* ---------- Tech stack ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.tech-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .8rem;
  padding: 1.7rem 1rem;
  border-color: color-mix(in srgb, var(--acc) 20%, transparent);
  color: var(--text);
}
.tech-card .material-symbols-outlined { color: var(--acc); filter: drop-shadow(0 0 8px color-mix(in srgb, var(--acc) 55%, transparent)); transition: transform .3s var(--ease); }
.tech-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--acc) 60%, transparent); background: var(--surface-high); }
.tech-card:hover .material-symbols-outlined { transform: scale(1.12) rotate(-4deg); }
.tech-name { font-family: var(--font-display); font-size: var(--fs-base); font-weight: 600; }
.tech-card:hover .tech-name { color: var(--acc); transition: color .25s; }

/* ---------- Why choose us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 1.5rem; }
.why-card {
  display: flex; flex-direction: column; gap: .8rem; padding: 1.9rem;
  border-color: color-mix(in srgb, var(--acc) 18%, transparent);
}
.why-card .material-symbols-outlined { font-size: 30px !important; color: var(--acc); filter: drop-shadow(0 0 8px color-mix(in srgb, var(--acc) 60%, transparent)); }
.why-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--acc) 55%, transparent); box-shadow: 0 0 28px color-mix(in srgb, var(--acc) 18%, transparent); }
.why-card h3 { font-family: var(--font-display); font-size: 1.08rem; }
.why-card p { color: var(--text-muted); font-size: var(--fs-base); }

/* ---------- Portfolio ---------- */
.portfolio-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 2rem; }
.portfolio-card { overflow: hidden; display: flex; flex-direction: column; border-color: color-mix(in srgb, var(--acc) 22%, transparent); }
.portfolio-card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--acc) 55%, transparent); box-shadow: 0 0 28px color-mix(in srgb, var(--acc) 14%, transparent); }

.portfolio-art { position: relative; height: 240px; overflow: hidden; background: var(--surface-container); }
.portfolio-art-fallback { position: absolute; inset: 0; }
.portfolio-art-fallback--c { background: radial-gradient(circle at 20% 30%, rgba(6,182,212,.4), transparent 50%), linear-gradient(145deg, #0e2230, #0b0c10); }
.portfolio-art-fallback--p { background: radial-gradient(circle at 80% 30%, rgba(168,85,247,.4), transparent 50%), linear-gradient(145deg, #221030, #0b0c10); }
.portfolio-art-fallback--b { background: radial-gradient(circle at 30% 80%, rgba(59,130,246,.4), transparent 50%), linear-gradient(145deg, #101d33, #0b0c10); }
.portfolio-art-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease); }
.portfolio-card:hover .portfolio-art-img { transform: scale(1.07); }
.portfolio-art-fallback::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask: radial-gradient(circle at 50% 40%, #000 25%, transparent 70%);
          mask: radial-gradient(circle at 50% 40%, #000 25%, transparent 70%);
}
.portfolio-art-fallback::after {
  content: "Dyoxa"; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  font-family: var(--font-display); font-size: 2rem; font-weight: 700; letter-spacing: .2em;
  color: rgba(255,255,255,.05); white-space: nowrap;
}

.portfolio-body { display: flex; flex-direction: column; gap: .9rem; padding: 1.6rem 1.8rem; flex: 1; align-items: flex-start; }
.portfolio-title { font-family: var(--font-display); font-size: 1.3rem; }
.portfolio-desc { color: var(--text-muted); font-size: var(--fs-base); }

/* Shine sweep over fallback visuals */
.portfolio-art::after {
  content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.10) 46%, transparent 60%);
  transform: translateX(-120%);
  transition: transform .9s var(--ease);
}
.portfolio-card:hover .portfolio-art::after { transform: translateX(120%); }

/* ---------- CTA / Contact ---------- */
.cta-center { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.2rem; margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.cta-title { font-size: clamp(1.7rem, 3.4vw + .4rem, 2.7rem); letter-spacing: -.02em; line-height: 1.12; }
.cta-sub { color: var(--text-muted); max-width: 560px; font-size: 1.02rem; }

.contact-card {
  position: relative; border-radius: 24px; overflow: hidden;
  background: var(--surface-low);
  border: 1px solid rgba(6,182,212,.3);
  box-shadow: 0 0 50px rgba(6,182,212,.12), var(--shadow-card);
  padding: clamp(1.6rem, 4vw, 3rem);
}
.contact-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(6,182,212,.04), transparent 40%, rgba(168,85,247,.05));
}
.contact-form { position: relative; display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.contact-form > .btn { margin-top: .4rem; }

.form-field { display: flex; flex-direction: column; gap: .45rem; }
.form-field label { font-family: var(--font-display); font-size: .9rem; font-weight: 500; color: var(--text); }
.form-field input, .form-field textarea {
  font-family: var(--font-body); font-size: var(--fs-base);
  color: var(--text);
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 45%, transparent);
  border-radius: var(--radius-lg);
  padding: .8rem 1rem;
  transition: border-color .2s, box-shadow .2s, background .2s;
  resize: vertical;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--on-surface-dim); }
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-color: var(--c-primary);
  box-shadow: var(--ring);
  background: var(--surface-low);
}

.form-note { display: flex; align-items: center; gap: .5rem; font-size: var(--fs-sm); color: var(--text-muted); }
.form-note .material-symbols-outlined { color: var(--c-primary); }
.form-note strong { color: var(--text); font-family: var(--font-mono); }

.form-success {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1rem; border-radius: var(--radius-lg);
  background: rgba(6,182,212,.1); border: 1px solid rgba(6,182,212,.35);
  color: #a5f3fc; font-size: .92rem;
}
.form-success[hidden] { display: none; }

.wa-manual {
  grid-column: 1 / -1;
  text-align: center; font-size: var(--fs-sm); color: var(--text-muted);
  margin-top: -.4rem;
}
.wa-manual a { color: var(--c-primary); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.wa-manual a:hover { color: var(--c-secondary); }

/* ---------- Footer ---------- */
.site-footer { background: var(--surface-low); border-top: 1px solid rgba(6,182,212,.18); }
.footer-grid { display: grid; gap: 2.5rem; padding-top: 3.5rem; padding-bottom: 2.5rem; }
.footer-brand { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
.footer-tag { color: var(--text-muted); font-size: var(--fs-sm); max-width: 300px; }
.footer-col { display: flex; flex-direction: column; gap: .55rem; }
.footer-col h4 { font-size: .95rem; font-weight: 600; color: var(--c-primary); margin-bottom: .3rem; }
.footer-col a { color: var(--text-muted); font-size: var(--fs-sm); transition: color .2s; width: fit-content; }
.footer-col a:hover { color: var(--c-primary); }
.socials { display: flex; gap: .6rem; margin-top: .4rem; }
.social-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--surface-container); border: 1px solid var(--outline-variant);
  color: var(--text-muted); transition: color .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.social-btn .material-symbols-outlined { font-size: 18px !important; }
.social-btn:hover { color: var(--c-primary); border-color: var(--c-primary); box-shadow: var(--shadow-cyan); transform: translateY(-3px); }

.footer-bottom { border-top: 1px solid rgba(6,182,212,.1); padding-block: 1.4rem; text-align: center; }
.footer-bottom span { color: var(--text-muted); font-size: var(--fs-sm); }

/* ---------- 9. Responsive ---------- */
@media (min-width: 640px) {
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form { grid-template-columns: 1fr 1fr; }
  .form-field--full { grid-column: 1 / -1; }
  .contact-form .btn, .form-note, .form-success { grid-column: 1 / -1; }
}

@media (min-width: 768px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1.1fr 1fr; }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-grid { grid-template-columns: repeat(6, 1fr); }
  .about-grid { grid-template-columns: 1.05fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.2fr; }
}

@media (min-width: 992px) {
  .hero-grid { grid-template-columns: 1.25fr 1fr; }
}

/* Mobile nav */
@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: var(--header-h); left: 0; right: 0; z-index: 59;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(14, 15, 20, .96);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(6,182,212,.18);
    padding: 1rem clamp(20px, 5vw, 64px);
    box-shadow: 0 20px 40px rgba(0,0,0,.4);
    max-height: 0; overflow: hidden; opacity: 0;
    transform: translateY(-8px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), max-height .4s var(--ease);
  }
  .nav-links.open { max-height: 480px; opacity: 1; transform: none; }
  .nav-link { padding: .9rem .2rem; font-size: 1.05rem; border-bottom: 1px solid rgba(148,163,184,.08); }
  .nav-link::after { display: none; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
}

@media (max-width: 640px) {
  .hero { min-height: auto; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: .75rem; }
  .hero-actions .btn { width: 100%; }
  .hero-card { max-width: 420px; margin-inline: auto; }
  .hero-card { aspect-ratio: auto; min-height: 380px; }
  .about-visual-inner { height: 320px; }
  .portfolio-art { height: 200px; }
}

/* ---------- 10. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}