/* ==========================================================================
   ReFract Media — Design System
   Tokens: dark graphite base, light sections, gray #626369, gold #F2CA33
   Type: Space Grotesk (display) / Inter (body)
   ========================================================================== */

:root{
  --bg-dark:      #0D0E10;
  --bg-dark-2:    #17181B;
  --bg-dark-3:    #1F2023;
  --bg-light:     #F3F3F1;
  --bg-light-2:   #E9E9E6;

  --ink:          #F3F3F1;
  --ink-muted:    #A4A5AA;
  --ink-dark:     #17181A;
  --ink-dark-muted: #626369; /* brief gray */

  --gold:         #F2CA33;
  --gold-dim:     #C6A22B;
  --violet:       #6C5CE7;
  --cyan:         #22C0D6;

  --line-dark:    rgba(243,243,241,.10);
  --line-light:   rgba(23,24,26,.12);

  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;

  --container: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 0; /* precision aesthetic: square corners throughout */

  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body{
  margin:0;
  background: var(--bg-dark);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; font-weight:600; letter-spacing:-.01em; }
p{ margin:0; }

:focus-visible{ outline: 2px solid var(--gold); outline-offset: 3px; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--gold); color:#111; padding:10px 16px; z-index:999; font-family:var(--font-display); font-weight:600;
}
.skip-link:focus{ left:12px; top:12px; }

/* ---------- Layout helpers ---------- */
.section{ position: relative; padding: clamp(64px, 10vw, 128px) 0; }
.section-inner{ max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section-dark{ background: var(--bg-dark); color: var(--ink); }
.section-light{ background: var(--bg-light); color: var(--ink-dark); }
.section-light .section-lead{ color: var(--ink-dark-muted); }
.section-dark .section-lead{ color: var(--ink-muted); }

.section-title{ font-size: clamp(1.7rem, 3.2vw, 2.6rem); max-width: 18ch; }
.section-lead{ margin-top: 16px; max-width: 52ch; font-size: 1.05rem; }

/* ruler edge accent on light sections */
.ruler-edge{ position: relative; }
.ruler-edge::before{
  content:"";
  position:absolute; top:0; bottom:0; left: 22px;
  width: 10px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--ink-dark-muted) 0px, var(--ink-dark-muted) 1px,
    transparent 1px, transparent 8px
  );
  opacity:.18;
}
.ruler-edge::after{
  content:"";
  position:absolute; top:0; bottom:0; left: 22px;
  width: 10px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--ink-dark-muted) 0px, var(--ink-dark-muted) 1.5px,
    transparent 1.5px, transparent 40px
  );
  opacity:.28;
}
@media (max-width: 720px){ .ruler-edge::before, .ruler-edge::after{ display:none; } }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 14px 26px;
  font-family: var(--font-display);
  font-weight:600; font-size:.95rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .15s var(--ease);
  white-space: nowrap;
}
.btn-primary{ background: var(--gold); color:#141414; }
.btn-primary:hover{ background:#fff; transform: translateY(-1px); }
.btn-ghost{ border-color: var(--line-dark); color: var(--ink); }
.section-dark .btn-ghost:hover{ border-color: var(--ink); background: var(--bg-dark-3); }
.btn-outline{ border-color: var(--ink-dark-muted); color: var(--ink-dark); }
.btn-outline:hover{ border-color: var(--ink-dark); background: var(--bg-light-2); }
.btn-whatsapp{ background: transparent; border-color:#25D366; color:#128C4A; }
.btn-whatsapp:hover{ background:#25D366; color:#fff; }

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
#site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(13,14,16,.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
#site-header.scrolled{
  border-bottom-color: var(--line-dark);
  background: rgba(13,14,16,.92);
}
.header-inner{
  max-width: var(--container); margin:0 auto; padding: 14px var(--gutter);
  display:flex; align-items:center; justify-content:space-between; gap: 20px;
  min-width:0;
}

/* brand / logo */
.brand{ display:flex; align-items:center; gap:10px; color: var(--ink); min-width:0; flex-shrink:1; }
.brand-mark{ width: 30px; height:30px; color: var(--gold); flex-shrink:0; }
.wordmark{ display:flex; flex-direction:column; line-height:1; min-width:0; }
.word-refract{
  font-family: var(--font-display); font-weight:700; font-size:1.15rem; letter-spacing:.01em;
  white-space:nowrap;
}
.re-strong{ color: var(--gold); font-weight:700; }
.word-media{
  display:flex; justify-content:space-between;
  font-family: var(--font-display); font-weight:300; font-size:.62rem;
  color: var(--ink-muted); margin-top: 3px;
  width: 100%;
}
.footer-brand .word-media{ color: var(--ink-muted); }

/* nav */
#main-nav{ flex: 1; display:flex; justify-content:center; min-width:0; }
.nav-list{ display:flex; align-items:center; gap: clamp(18px, 2.4vw, 34px); }
.nav-link{
  position: relative;
  font-family: var(--font-display); font-weight:500; font-size:.92rem;
  color: var(--ink-muted);
  padding: 6px 2px;
  transition: color .2s var(--ease);
}
.nav-link::before{
  content:""; position:absolute; left:-3px; top:-3px; width:7px; height:7px;
  border-left: 1.5px solid var(--gold); border-top: 1.5px solid var(--gold);
  opacity:0; transform: translate(2px,2px); transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.nav-link::after{
  content:""; position:absolute; right:-3px; bottom:-3px; width:7px; height:7px;
  border-right: 1.5px solid var(--gold); border-bottom: 1.5px solid var(--gold);
  opacity:0; transform: translate(-2px,-2px); transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.nav-link:hover, .nav-link:focus-visible{ color: var(--ink); }
.nav-link:hover::before, .nav-link:hover::after,
.nav-link:focus-visible::before, .nav-link:focus-visible::after,
.nav-link.active::before, .nav-link.active::after{
  opacity:1; transform: translate(0,0);
}
.nav-link.active{ color: var(--ink); }

.has-submenu{ position:relative; }
.submenu{
  position:absolute; top: calc(100% + 16px); left:50%; transform: translateX(-50%) translateY(-6px);
  background: var(--bg-dark-2); border:1px solid var(--line-dark);
  min-width: 240px; padding: 8px;
  opacity:0; visibility:hidden; transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.has-submenu:hover .submenu, .has-submenu:focus-within .submenu{
  opacity:1; visibility:visible; transform: translateX(-50%) translateY(0);
}
.submenu li a{
  display:block; padding: 10px 14px; font-size:.88rem; color: var(--ink-muted);
  border-left: 2px solid transparent;
}
.submenu li a:hover{ color: var(--ink); border-left-color: var(--gold); background: rgba(255,255,255,.03); }

/* header actions */
.header-actions{ display:flex; align-items:center; gap: 14px; flex-shrink:0; }

#lang-switch{
  display:flex; align-items:center;
  background: transparent; border: 1.5px solid var(--line-dark);
  border-radius:0; padding: 0; overflow:hidden; cursor:pointer;
  font-family: var(--font-display); font-weight:600; font-size:.78rem;
}
.lang-opt{ padding: 7px 9px; color: var(--ink-muted); transition: color .2s, background-color .2s; }
.lang-sep{ color: var(--line-dark); }
#lang-switch[data-active="ro"] .lang-opt[data-lang="ro"],
#lang-switch[data-active="en"] .lang-opt[data-lang="en"]{
  background: var(--gold); color:#141414;
}

.btn-nav{ padding: 10px 18px; font-size:.85rem; }

#hamburger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 34px; height: 34px; background:transparent; border:none; cursor:pointer; padding:0;
}
.bar{ height:2px; background: var(--ink); transition: transform .25s var(--ease), opacity .2s var(--ease), width .25s var(--ease); }
.bar1{ width: 60%; align-self:flex-start; }
.bar2{ width: 100%; }
.bar3{ width: 80%; align-self:flex-start; }
#hamburger[aria-expanded="true"] .bar1{ width:100%; transform: translateY(7px) rotate(45deg); }
#hamburger[aria-expanded="true"] .bar2{ opacity:0; }
#hamburger[aria-expanded="true"] .bar3{ width:100%; transform: translateY(-7px) rotate(-45deg); }

#mobile-menu{
  display:none; max-height:0; overflow:hidden;
  background: var(--bg-dark-2); border-top:1px solid var(--line-dark);
  transition: max-height .35s var(--ease);
}
#mobile-menu.open{ max-height: 640px; }
.mobile-nav-list{ padding: 10px var(--gutter) 26px; }
.mobile-nav-list > li{ border-bottom: 1px solid var(--line-dark); }
.mobile-nav-list .nav-link, .mobile-parent{
  display:block; width:100%; text-align:left; background:none; border:none;
  font-family: var(--font-display); color: var(--ink); font-size:1rem; font-weight:500;
  padding: 16px 4px; cursor:pointer;
}
.nav-link-cta{ color: var(--gold); }
.mobile-submenu{ max-height:0; overflow:hidden; transition: max-height .3s var(--ease); padding-left: 12px; }
.mobile-submenu.open{ max-height: 260px; }
.mobile-submenu li a{ display:block; padding: 12px 4px; color: var(--ink-muted); font-size:.92rem; }

@media (max-width: 900px){
  #main-nav{ display:none; }
  .btn-nav{ display:none; }
  #hamburger{ display:flex; }
  #mobile-menu{ display:block; }
  .header-inner{ padding: 12px var(--gutter); }
  .word-refract{ font-size: 1.02rem; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{ padding-top: clamp(72px, 12vw, 140px); padding-bottom: clamp(72px,10vw,140px); overflow:hidden; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-glow{
  position:absolute; top:-20%; right:-10%; width: 70%; height: 140%;
  background: conic-gradient(from 200deg at 60% 40%, rgba(108,92,231,.28), rgba(34,192,214,.22), rgba(242,202,51,.24), rgba(108,92,231,.28));
  filter: blur(90px);
  opacity:.55;
  animation: rotateGlow 34s linear infinite;
}
@keyframes rotateGlow{ to{ transform: rotate(360deg); } }

.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px, 5vw, 70px); align-items:center;
}
.hero-copy{ max-width: 46ch; }
.hero-title{ font-size: clamp(2.1rem, 5vw, 3.6rem); line-height:1.08; margin-bottom: 22px; }
.hero-text{ font-size: clamp(1rem, 1.4vw, 1.15rem); color: var(--ink-muted); max-width: 42ch; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 34px; }

.hero-visual{ position:relative; }
.refract-svg{ width:100%; height:auto; overflow: visible; }
.ray-in{ stroke: var(--ink-muted); stroke-width:1.5; opacity:.7; }
.ray-prism{ fill: rgba(243,243,241,.06); stroke: var(--ink-muted); stroke-width:1.2; }
.ray-out{ stroke-width: 2; stroke-linecap: round; stroke-dasharray: 6 8; animation: flow 5s linear infinite; }
.ray-violet{ stroke: var(--violet); }
.ray-cyan{ stroke: var(--cyan); }
.ray-gold{ stroke: var(--gold); }
.ray-node{ fill: var(--ink); }
@keyframes flow{ to{ stroke-dashoffset: -140; } }

@media (max-width: 860px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; max-width: 340px; margin: 0 auto; opacity:.9; }
  .hero-copy{ max-width: none; }
}

/* ==========================================================================
   PHILOSOPHY
   ========================================================================== */
.philosophy-inner{ padding-left: 48px; }
.philosophy-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 44px; }
.philosophy-col{ border-top: 2px solid var(--ink-dark); padding-top: 20px; }
.philosophy-mark{ font-family: var(--font-display); font-weight:700; font-size:1.4rem; color: var(--gold-dim); display:block; margin-bottom:10px; }
.philosophy-col p{ color: var(--ink-dark-muted); font-size:1.02rem; max-width: 42ch; }
@media (max-width:720px){ .philosophy-grid{ grid-template-columns:1fr; } .philosophy-inner{ padding-left: var(--gutter); } }

/* ==========================================================================
   SERVICES
   ========================================================================== */
.services-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 48px; background: var(--line-dark); border:1px solid var(--line-dark); }
.service-card{ background: var(--bg-dark); padding: 34px 26px; position:relative; }
.service-icon{ width:40px; height:40px; color: var(--gold); margin-bottom: 22px; }
.service-card h3{ font-size:1.08rem; margin-bottom:12px; }
.service-card p{ color: var(--ink-muted); font-size:.94rem; }
@media (max-width: 980px){ .services-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .services-grid{ grid-template-columns: 1fr; } }

/* ==========================================================================
   WORK
   ========================================================================== */
.work-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 48px; }
.work-card{ }
.work-thumb{
  position:relative; aspect-ratio: 16/10; overflow:hidden; margin-bottom:16px;
  background: linear-gradient(135deg, var(--bg-light-2), #dcdcd8);
}
.work-thumb::before{
  content:""; position:absolute; inset:0;
}
.work-thumb-1::before{ background: linear-gradient(120deg, #1b1c1f 0%, #3a3550 45%, #22C0D6 100%); }
.work-thumb-2::before{ background: linear-gradient(120deg, #17181a 0%, #4a4550 50%, #F2CA33 100%); }
.work-thumb-3::before{ background: linear-gradient(120deg, #14151a 0%, #2d3a4a 50%, #6C5CE7 100%); }
.work-thumb-4::before{ background: linear-gradient(120deg, #191a17 0%, #4a3f2a 55%, #F2CA33 100%); }
.work-frame{
  position:absolute; inset: 14px; border: 1px solid rgba(255,255,255,.35);
}
.work-meta h3{ font-size: 1.05rem; margin-bottom:6px; color: var(--ink-dark); }
.work-meta p{ color: var(--ink-dark-muted); font-size:.85rem; font-family: var(--font-display); letter-spacing:.02em; }
@media (max-width:700px){ .work-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   MAKING-OF
   ========================================================================== */
.makingof-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 48px; }
.makingof-card{ border-top: 2px solid var(--bg-dark-3); padding-top: 22px; }
.makingof-tag{ font-family: var(--font-display); font-size:.72rem; font-weight:600; color: var(--gold); text-transform: uppercase; letter-spacing:.06em; }
.makingof-card h3{ font-size: 1.12rem; margin: 14px 0 12px; }
.makingof-card p{ color: var(--ink-muted); font-size:.92rem; margin-bottom: 18px; }
.makingof-link{ font-family: var(--font-display); font-weight:600; font-size:.86rem; color: var(--ink); border-bottom: 1.5px solid var(--gold); padding-bottom:2px; }
@media (max-width:860px){ .makingof-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   START A PROJECT
   ========================================================================== */
.start-inner{ text-align:left; padding-left: 48px; }
.start-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 34px; }
@media (max-width:720px){ .start-inner{ padding-left: var(--gutter); } }

/* ==========================================================================
   FOOTER
   ========================================================================== */
#site-footer{ background: var(--bg-dark-2); border-top: 1px solid var(--line-dark); padding-top: 64px; }
.footer-inner{
  max-width: var(--container); margin:0 auto; padding: 0 var(--gutter) 48px;
  display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand .brand{ margin-bottom: 14px; }
.footer-tagline{ color: var(--ink-muted); font-size:.9rem; max-width: 32ch; }
.footer-col h4{ font-size:.82rem; font-weight:600; color: var(--ink-muted); margin-bottom: 18px; letter-spacing:.02em; }
.footer-col ul li{ margin-bottom: 12px; }
.footer-col ul li a{ color: var(--ink); font-size:.92rem; transition: color .2s; }
.footer-col ul li a:hover{ color: var(--gold); }
.footer-bottom{
  border-top:1px solid var(--line-dark); padding: 20px var(--gutter);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  max-width: var(--container); margin:0 auto;
  color: var(--ink-muted); font-size:.82rem;
}
@media (max-width: 780px){
  .footer-inner{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px){
  .footer-inner{ grid-template-columns: 1fr; }
}