/* ===================================================================
   HEIBER LINARES — Premium Institutional Site
   Zero dependencies · pure CSS + vanilla JS
   =================================================================== */

:root{
  /* Brand palette */
  --navy-1:      #071B3A;   /* principal */
  --navy-2:      #0E3A6D;   /* secundario */
  --blue-3:      #2E6DB5;   /* terciario */
  --accent:      #7FB3FF;   /* acento */
  --gold:        #D6B36A;   /* premium */
  --gold-soft:   #E6CB94;

  /* Backgrounds */
  --bg-deep:     #061427;
  --bg-mid:      #0B2345;
  --paper:       #FFFFFF;
  --paper-2:     #F4F7FB;

  /* Text */
  --text-light:  #F8FAFC;
  --text-dim:    rgba(248,250,252,.72);
  --text-faint:  rgba(248,250,252,.5);
  --text-dark:   #111827;
  --text-grey:   #4A5568;

  --line-light:  rgba(248,250,252,.14);
  --line-dark:   rgba(17,24,39,.1);

  --ease:        cubic-bezier(.22,1,.36,1);
  --ease-out:    cubic-bezier(.16,1,.3,1);

  --maxw:        1240px;
  --radius:      18px;
  --shadow-lg:   0 40px 80px -24px rgba(3,12,28,.55);
  --shadow-card: 0 24px 60px -28px rgba(3,12,28,.6);

  --font-body:   "Inter", system-ui, -apple-system, sans-serif;
  --font-display:"Plus Jakarta Sans", "Inter", system-ui, sans-serif;
}

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

html{
  overflow-x:clip;
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  font-family:var(--font-body);
  background:var(--bg-deep);
  color:var(--text-dark);
  line-height:1.6;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--gold); color:var(--navy-1); }

.container{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:clamp(1.2rem,4vw,2.6rem); }

/* ---------- Shared headings ---------- */
.section-kicker{
  display:inline-flex; align-items:center; gap:.7rem;
  font-family:var(--font-body);
  font-size:.78rem; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--blue-3); margin-bottom:1.4rem;
}
.section-kicker.light{ color:var(--accent); }
.kicker-line{ width:34px; height:1px; background:currentColor; opacity:.6; display:inline-block; }

.section-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.9rem,4.4vw,3.3rem);
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--navy-1);
  text-wrap:balance;
}
.section-head{ max-width:46rem; margin-bottom:clamp(2.6rem,5vw,4rem); }

/* ---------- Buttons ---------- */
.btn{
  --pad:.95rem 1.7rem;
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:var(--pad);
  font-family:var(--font-display); font-weight:600; font-size:.94rem; letter-spacing:.01em;
  border:1px solid transparent; border-radius:100px; cursor:pointer;
  transition:transform .35s var(--ease), background .3s, color .3s, box-shadow .35s, border-color .3s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--gold) 0%,var(--gold-soft) 100%);
  color:var(--navy-1);
  box-shadow:0 16px 34px -14px rgba(214,179,106,.6);
}
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 22px 44px -14px rgba(214,179,106,.75); }
.btn-outline{
  background:rgba(255,255,255,.04); color:var(--text-light);
  border-color:rgba(248,250,252,.3); backdrop-filter:blur(6px);
}
.btn-outline:hover{ transform:translateY(-3px); border-color:var(--accent); background:rgba(127,179,255,.12); }
.btn-nav{
  padding:.62rem 1.3rem; font-size:.85rem;
  background:var(--gold); color:var(--navy-1);
}
.btn-nav:hover{ transform:translateY(-2px); box-shadow:0 12px 26px -10px rgba(214,179,106,.7); }
.btn-block{ width:100%; }

/* ===================================================================
   NAV
   =================================================================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .4s var(--ease), box-shadow .4s, padding .4s;
  padding:.5rem 0;
}
.nav-inner{
  width:100%; max-width:var(--maxw); margin-inline:auto;
  padding:.75rem clamp(1.2rem,4vw,2.6rem);
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
}
.nav.is-scrolled{
  background:rgba(6,20,39,.82);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 1px 0 rgba(248,250,252,.08), 0 20px 40px -30px rgba(0,0,0,.8);
}
.nav-brand{ display:flex; align-items:center; gap:.7rem; color:var(--text-light); }
.nav-monogram{
  display:grid; place-items:center; width:42px; height:42px; flex:none;
  font-family:var(--font-display); font-weight:800; font-size:1rem; letter-spacing:.02em;
  color:var(--navy-1);
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-soft) 100%);
  border-radius:12px;
  box-shadow:0 8px 20px -10px rgba(214,179,106,.7);
}
.nav-name{ font-family:var(--font-display); font-weight:700; font-size:1.02rem; letter-spacing:-.01em; }
.nav-links{ display:flex; gap:2rem; margin-left:auto; margin-right:1.5rem; }
.nav-links a{
  position:relative; color:var(--text-dim); font-size:.92rem; font-weight:500;
  transition:color .3s;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:-6px; width:0; height:1.5px;
  background:var(--gold); transition:width .35s var(--ease);
}
.nav-links a:hover{ color:var(--text-light); }
.nav-links a:hover::after{ width:100%; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ width:24px; height:2px; background:var(--text-light); border-radius:2px; transition:.3s var(--ease); }
.nav.is-open .nav-toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav.is-open .nav-toggle span:nth-child(2){ opacity:0; }
.nav.is-open .nav-toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.nav-mobile{
  display:none; flex-direction:column; gap:.4rem;
  padding:0 clamp(1.2rem,4vw,2.6rem);
  max-height:0; overflow:hidden; opacity:0;
  transition:max-height .45s var(--ease), opacity .3s, padding .3s;
  background:rgba(6,20,39,.96); backdrop-filter:blur(16px);
}
.nav-mobile a{ color:var(--text-dim); padding:.7rem 0; font-weight:500; border-bottom:1px solid var(--line-light); }
.nav-mobile a.btn{ border-bottom:0; margin-top:.6rem; color:var(--navy-1); }
.nav.is-open .nav-mobile{ max-height:460px; opacity:1; padding-block:1rem 1.6rem; }

/* ===================================================================
   1 · HERO
   =================================================================== */
.hero{
  position:relative; min-height:100vh; min-height:100svh;
  display:flex; align-items:center; overflow:hidden;
  background:var(--bg-deep);
}
.hero-bg{
  position:absolute; inset:-8% 0 0 0; z-index:0; will-change:transform;
  background:
    linear-gradient(180deg,rgba(6,20,39,.2),rgba(6,20,39,.2)),
    url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=2000&q=80") center 30%/cover no-repeat,
    var(--navy-2);
  filter:saturate(1.05) contrast(1.04);
}
.hero-overlay{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(115deg, rgba(7,27,58,.96) 0%, rgba(7,27,58,.82) 38%, rgba(11,35,69,.55) 70%, rgba(46,109,181,.32) 100%),
    linear-gradient(0deg, rgba(6,20,39,.95) 0%, transparent 45%);
}
.hero-glow{
  position:absolute; z-index:1; right:-10%; top:8%;
  width:50vw; height:50vw; max-width:760px; max-height:760px;
  background:radial-gradient(circle at center, rgba(127,179,255,.3), transparent 62%);
  filter:blur(50px); pointer-events:none;
}
.hero-inner{
  position:relative; z-index:2; width:100%; max-width:var(--maxw);
  margin-inline:auto; padding:8rem clamp(1.2rem,4vw,2.6rem) 6rem;
  display:grid; grid-template-columns:1.15fr .85fr; gap:3rem; align-items:center;
}
.hero-kicker{
  display:inline-flex; align-items:center; gap:.7rem;
  font-size:.8rem; font-weight:600; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent); margin-bottom:1.8rem;
}
.hero-kicker .kicker-line{ background:var(--gold); opacity:1; }
.hero-title{
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(3rem,8vw,6rem); line-height:.98; letter-spacing:-.035em;
  color:var(--text-light);
  background:linear-gradient(120deg,#ffffff 0%,#cfe0f6 60%,#9bc0f0 100%);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
.hero-sub{
  margin-top:1.3rem; font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.15rem,2.4vw,1.6rem); color:var(--gold-soft); letter-spacing:-.01em;
}
.hero-lead{
  margin-top:1.1rem; max-width:34ch;
  font-size:clamp(1rem,1.5vw,1.18rem); color:var(--text-dim); line-height:1.65;
}
.hero-actions{ margin-top:2.4rem; display:flex; flex-wrap:wrap; gap:1rem; }

.hero-cards{ display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; }
.stat-card{
  position:relative; padding:1.6rem 1.4rem; border-radius:var(--radius);
  background:linear-gradient(150deg, rgba(255,255,255,.1) 0%, rgba(255,255,255,.03) 100%);
  border:1px solid rgba(248,250,252,.16);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card);
  display:flex; flex-direction:column; gap:.45rem;
  transition:transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.stat-card:hover{ transform:translateY(-6px); border-color:rgba(214,179,106,.55); box-shadow:0 34px 70px -28px rgba(3,12,28,.8); }
.stat-card:nth-child(2),.stat-card:nth-child(3){ margin-top:1.3rem; }
.stat-num{
  font-family:var(--font-display); font-weight:800; font-size:2.5rem; line-height:1;
  color:var(--text-light); display:inline-flex; align-items:baseline;
}
.stat-plus{ color:var(--gold); font-size:1.7rem; margin-left:.1rem; }
.stat-icon{ font-size:1.3rem; color:var(--gold); }
.stat-label{ font-size:.84rem; color:var(--text-dim); line-height:1.4; font-weight:500; }

.hero-scroll{
  position:absolute; bottom:2.2rem; left:50%; transform:translateX(-50%); z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:.6rem;
  color:var(--text-faint);
}
.scroll-text{ font-size:.72rem; letter-spacing:.24em; text-transform:uppercase; }
.scroll-line{ width:1px; height:46px; background:linear-gradient(var(--gold),transparent); position:relative; overflow:hidden; }
.scroll-line::after{ content:""; position:absolute; top:-50%; left:0; width:100%; height:50%; background:var(--gold); animation:scrollDot 2.2s var(--ease) infinite; }
@keyframes scrollDot{ 0%{ top:-50%; } 100%{ top:120%; } }

/* ===================================================================
   2 · SOBRE MÍ
   =================================================================== */
.about{ position:relative; background:var(--paper); padding:clamp(5rem,9vw,8rem) 0; }
.about-grid{ display:grid; grid-template-columns:.92fr 1.08fr; gap:clamp(2.5rem,6vw,5rem); align-items:center; }

.about-media{ position:relative; }
.about-photo{
  position:relative; z-index:2; aspect-ratio:4/5; border-radius:24px; overflow:hidden;
  background:
    linear-gradient(180deg,rgba(7,27,58,.02),rgba(7,27,58,.28)),
    url("assets/img/heiber.jpg") center top/cover no-repeat,
    var(--paper-2);
  box-shadow:var(--shadow-lg);
}
.about-frame{
  position:absolute; z-index:1; inset:auto -22px -22px auto; width:72%; height:72%;
  border:1.5px solid var(--gold); border-radius:24px; opacity:.55;
}
.about-badge{
  position:absolute; z-index:3; left:-26px; bottom:34px;
  display:flex; flex-direction:column; gap:.2rem;
  padding:1.1rem 1.3rem; border-radius:14px; max-width:240px;
  background:linear-gradient(150deg,var(--navy-1),var(--navy-2));
  border:1px solid rgba(214,179,106,.35);
  box-shadow:var(--shadow-card);
}
.badge-role{ font-size:.7rem; letter-spacing:.2em; text-transform:uppercase; color:var(--gold); font-weight:600; }
.badge-org{ font-family:var(--font-display); font-weight:700; color:var(--text-light); font-size:.98rem; line-height:1.25; }
.badge-place{ font-size:.82rem; color:var(--text-dim); }

.about-text .section-title{ margin-bottom:1.6rem; }
.about-p{ color:var(--text-grey); margin-bottom:1.1rem; font-size:1.04rem; max-width:54ch; }
.about-pills{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.8rem; }
.pill{
  padding:.5rem 1rem; border-radius:100px; font-size:.82rem; font-weight:600;
  color:var(--navy-2); background:var(--paper-2); border:1px solid var(--line-dark);
  transition:.3s var(--ease);
}
.pill:hover{ background:var(--navy-1); color:var(--gold-soft); border-color:var(--navy-1); transform:translateY(-2px); }

/* ===================================================================
   3 · TRAYECTORIA
   =================================================================== */
.journey{ position:relative; background:linear-gradient(180deg,var(--bg-deep),var(--bg-mid)); padding:clamp(5rem,9vw,8rem) 0; }
.journey .section-title{ color:var(--text-light); }

.timeline{ position:relative; display:grid; grid-template-columns:1fr 1fr; gap:1.4rem 3.4rem; margin-bottom:clamp(3.5rem,6vw,5.5rem); }
.timeline-rail{
  position:absolute; left:50%; top:8px; bottom:8px; width:2px; transform:translateX(-50%);
  background:var(--line-light); border-radius:2px;
}
.timeline-progress{ position:absolute; top:0; left:0; width:100%; height:0; background:linear-gradient(var(--gold),var(--accent)); border-radius:2px; transition:height .2s linear; }

.tl-item{ position:relative; }
.tl-item:nth-child(odd){ grid-column:1; text-align:right; }
.tl-item:nth-child(even){ grid-column:2; margin-top:3.2rem; }
.tl-dot{
  position:absolute; top:26px; width:15px; height:15px; border-radius:50%;
  background:var(--bg-deep); border:2px solid var(--gold); z-index:2;
  box-shadow:0 0 0 5px rgba(214,179,106,.12);
}
.tl-item:nth-child(odd) .tl-dot{ right:-1.95rem; }
.tl-item:nth-child(even) .tl-dot{ left:-1.95rem; }

.tl-card{
  padding:1.5rem 1.6rem; border-radius:var(--radius);
  background:linear-gradient(155deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  border:1px solid rgba(248,250,252,.12);
  box-shadow:var(--shadow-card);
  transition:transform .4s var(--ease), border-color .4s, background .4s;
}
.tl-card:hover{ transform:translateY(-5px); border-color:rgba(214,179,106,.5); background:linear-gradient(155deg, rgba(46,109,181,.18), rgba(255,255,255,.03)); }
.tl-tag{ font-size:.7rem; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); font-weight:600; }
.tl-card h3{ font-family:var(--font-display); font-weight:700; color:var(--text-light); font-size:1.12rem; margin:.5rem 0 .35rem; line-height:1.2; }
.tl-card p{ color:var(--text-dim); font-size:.92rem; }

.education{ position:relative; }
.education-title{ font-family:var(--font-display); font-weight:700; color:var(--gold-soft); font-size:1.5rem; margin-bottom:1.8rem; text-align:center; }
.edu-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.1rem; }
.edu-card{
  position:relative; padding:1.6rem 1.3rem 1.4rem; border-radius:var(--radius);
  background:rgba(255,255,255,.04); border:1px solid var(--line-light);
  display:flex; flex-direction:column; gap:.7rem; min-height:170px;
  transition:.4s var(--ease);
}
.edu-card:hover{ transform:translateY(-5px); border-color:var(--gold); background:rgba(214,179,106,.07); }
.edu-mark{ font-family:var(--font-display); font-weight:800; font-size:1.5rem; color:rgba(127,179,255,.5); }
.edu-card h4{ font-family:var(--font-display); font-weight:600; color:var(--text-light); font-size:1rem; line-height:1.3; flex:1; }
.edu-state{ font-size:.74rem; font-weight:600; letter-spacing:.04em; padding:.3rem .7rem; border-radius:100px; align-self:flex-start; }
.edu-done{ color:var(--accent); background:rgba(127,179,255,.12); }
.edu-progress{ color:var(--navy-1); background:var(--gold); }

/* ===================================================================
   4 · LÍNEAS DE TRABAJO
   =================================================================== */
.lines{ background:var(--paper); padding:clamp(5rem,9vw,8rem) 0; }
.lines-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.3rem; }
.line-card{
  position:relative; overflow:hidden;
  padding:2.4rem 2.1rem 2.2rem; border-radius:22px;
  background:var(--paper-2); border:1px solid var(--line-dark);
  transition:transform .45s var(--ease), box-shadow .45s, background .45s, color .45s;
}
.line-card-wide{ grid-column:1 / -1; }
.line-card::before{
  content:""; position:absolute; inset:0; z-index:0; opacity:0;
  background:linear-gradient(150deg,var(--navy-1),var(--navy-2));
  transition:opacity .45s var(--ease);
}
.line-card > *{ position:relative; z-index:1; }
.line-num{ font-family:var(--font-display); font-weight:800; font-size:1.1rem; color:var(--blue-3); letter-spacing:.05em; transition:color .45s; }
.line-card h3{ font-family:var(--font-display); font-weight:700; font-size:1.32rem; color:var(--navy-1); margin:.9rem 0 .7rem; letter-spacing:-.01em; transition:color .45s; line-height:1.2; }
.line-card p{ color:var(--text-grey); max-width:46ch; transition:color .45s; }
.line-arrow{ display:inline-block; margin-top:1.4rem; font-size:1.3rem; color:var(--gold); transform:translateX(0); transition:transform .45s var(--ease), color .45s; }
.line-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-lg); }
.line-card:hover::before{ opacity:1; }
.line-card:hover .line-num{ color:var(--gold); }
.line-card:hover h3{ color:var(--text-light); }
.line-card:hover p{ color:var(--text-dim); }
.line-card:hover .line-arrow{ transform:translateX(8px); color:var(--gold-soft); }

/* ===================================================================
   5 · VISIÓN
   =================================================================== */
.vision{ position:relative; overflow:hidden; min-height:80vh; display:flex; align-items:center; padding:clamp(5rem,10vw,9rem) 0; }
.vision-bg{
  position:absolute; inset:-10% 0 0 0; z-index:0; will-change:transform;
  background:
    url("https://images.unsplash.com/photo-1431576901776-e539bd916ba2?auto=format&fit=crop&w=2000&q=80") center/cover no-repeat,
    var(--navy-1);
  filter:saturate(1.05);
}
.vision-overlay{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(120deg, rgba(7,27,58,.95) 0%, rgba(7,27,58,.8) 50%, rgba(14,58,109,.7) 100%),
    radial-gradient(circle at 75% 30%, rgba(127,179,255,.22), transparent 55%);
}
.vision-inner{ position:relative; z-index:2; text-align:center; max-width:60rem; }
.vision-inner .section-kicker{ justify-content:center; }
.quote-mark{ display:block; font-family:var(--font-display); font-size:5rem; line-height:.5; color:var(--gold); opacity:.7; margin-bottom:1rem; }
.vision-quote{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(1.5rem,3.6vw,2.7rem); line-height:1.32; letter-spacing:-.015em;
  color:var(--text-light); text-wrap:balance;
}
.vision-sign{ margin-top:2rem; font-size:1rem; letter-spacing:.06em; color:var(--gold-soft); font-weight:600; }

/* ===================================================================
   6 · PORTAFOLIO
   =================================================================== */
.work{ background:linear-gradient(180deg,var(--bg-mid),var(--bg-deep)); padding:clamp(5rem,9vw,8rem) 0; }
.work .section-title{ color:var(--text-light); }
.work-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.4rem; }
.work-card{
  position:relative; overflow:hidden; padding:2.4rem 2.2rem; border-radius:22px; min-height:230px;
  display:flex; flex-direction:column;
  background:linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--line-light);
  transition:transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.work-card::after{
  content:""; position:absolute; right:-40px; top:-40px; width:160px; height:160px;
  background:radial-gradient(circle,rgba(214,179,106,.25),transparent 70%);
  opacity:0; transition:opacity .5s var(--ease);
}
.work-card:hover{ transform:translateY(-8px); border-color:rgba(214,179,106,.5); box-shadow:var(--shadow-lg); }
.work-card:hover::after{ opacity:1; }
.work-card-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:auto; }
.work-index{ font-family:var(--font-display); font-weight:800; font-size:2.6rem; color:rgba(127,179,255,.3); line-height:1; }
.work-card h3{ font-family:var(--font-display); font-weight:700; color:var(--text-light); font-size:1.3rem; margin:1.6rem 0 .7rem; line-height:1.22; letter-spacing:-.01em; }
.work-card p{ color:var(--text-dim); font-size:.96rem; }

/* ===================================================================
   7 · CONTACTO
   =================================================================== */
.contact{ position:relative; overflow:hidden; background:var(--bg-deep); padding:clamp(5rem,9vw,8rem) 0; }
.contact-glow{
  position:absolute; left:-8%; top:10%; width:42vw; height:42vw; max-width:620px; max-height:620px;
  background:radial-gradient(circle,rgba(46,109,181,.32),transparent 64%); filter:blur(40px); pointer-events:none; z-index:0;
}
.contact-grid{ position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:clamp(2.5rem,6vw,5rem); align-items:start; }
.contact-cta{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(1.7rem,3.6vw,2.6rem); line-height:1.16; letter-spacing:-.02em;
  color:var(--text-light); text-wrap:balance; margin-bottom:1.3rem;
}
.contact-text{ color:var(--text-dim); max-width:42ch; font-size:1.04rem; margin-bottom:2.2rem; }
.contact-channels{ display:flex; flex-direction:column; gap:.8rem; }
.channel{
  display:flex; align-items:center; gap:1rem; padding:1rem 1.2rem; border-radius:14px;
  background:rgba(255,255,255,.04); border:1px solid var(--line-light);
  color:var(--text-light); font-weight:600; font-size:.98rem;
  transition:.35s var(--ease);
}
.channel:hover{ transform:translateX(6px); border-color:var(--gold); background:rgba(214,179,106,.08); }
.channel-ic{
  display:grid; place-items:center; width:42px; height:42px; flex:none; border-radius:11px;
  font-family:var(--font-display); font-weight:700; font-size:.92rem;
  color:var(--navy-1); background:linear-gradient(135deg,var(--gold),var(--gold-soft));
}

.contact-form{
  padding:clamp(1.6rem,3vw,2.4rem); border-radius:22px;
  background:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border:1px solid var(--line-light); box-shadow:var(--shadow-card);
  backdrop-filter:blur(12px);
}
.field{ margin-bottom:1.2rem; }
.field label{ display:block; font-size:.82rem; font-weight:600; letter-spacing:.05em; color:var(--text-dim); margin-bottom:.5rem; }
.field input,.field textarea{
  width:100%; padding:.9rem 1.1rem; border-radius:12px;
  background:rgba(6,20,39,.5); border:1px solid var(--line-light);
  color:var(--text-light); font-family:var(--font-body); font-size:.96rem; resize:vertical;
  transition:border-color .3s, background .3s, box-shadow .3s;
}
.field input::placeholder,.field textarea::placeholder{ color:var(--text-faint); }
.field input:focus,.field textarea:focus{
  outline:none; border-color:var(--gold); background:rgba(6,20,39,.75);
  box-shadow:0 0 0 3px rgba(214,179,106,.16);
}
.form-status{ margin-top:1rem; font-size:.9rem; font-weight:600; color:var(--accent); min-height:1.2em; text-align:center; }
.form-status.is-ok{ color:var(--gold-soft); }

/* ===================================================================
   FOOTER
   =================================================================== */
.footer{ background:var(--navy-1); padding:3.4rem 0 2.4rem; border-top:1px solid var(--line-light); }
.footer-inner{ display:flex; flex-wrap:wrap; gap:1.6rem 2.5rem; align-items:center; justify-content:space-between; }
.footer-brand{ display:flex; align-items:center; gap:.9rem; }
.footer-brand strong{ display:block; font-family:var(--font-display); color:var(--text-light); font-size:1.05rem; }
.footer-brand span{ font-size:.84rem; color:var(--text-dim); }
.footer-links{ display:flex; flex-wrap:wrap; gap:1.4rem; }
.footer-links a{ color:var(--text-dim); font-size:.9rem; font-weight:500; transition:color .3s; }
.footer-links a:hover{ color:var(--gold-soft); }
.footer-copy{ width:100%; padding-top:1.6rem; border-top:1px solid var(--line-light); color:var(--text-faint); font-size:.84rem; }

/* ===================================================================
   ANIMATIONS — Scroll reveal + floating
   =================================================================== */
.reveal{ opacity:0; transform:translateY(34px); transition:opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.is-visible{ opacity:1; transform:none; }

/* Floating elements */
.float{ animation:floatY 6s ease-in-out infinite; }
.float[data-float="2"]{ animation-duration:7s; animation-delay:-1.5s; }
.float[data-float="3"]{ animation-duration:6.5s; animation-delay:-.8s; }
.float[data-float="4"]{ animation-duration:7.5s; animation-delay:-2.2s; }
@keyframes floatY{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-12px); } }

@media (prefers-reduced-motion: reduce){
  .float{ animation:none; }
  .scroll-line::after{ animation:none; }
  .reveal{ transition-duration:.4s; }
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:1000px){
  .nav-links{ display:none; }
  .btn-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-mobile{ display:flex; }
  .hero-inner{ grid-template-columns:1fr; gap:2.6rem; padding-top:7rem; }
  .hero-cards{ max-width:480px; }
  .about-grid{ grid-template-columns:1fr; gap:3.5rem; }
  .about-media{ max-width:420px; }
  .contact-grid{ grid-template-columns:1fr; }
  .edu-grid{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:680px){
  .timeline{ grid-template-columns:1fr; gap:1.1rem; }
  .timeline-rail{ left:7px; transform:none; }
  .tl-item:nth-child(odd),.tl-item:nth-child(even){ grid-column:1; text-align:left; margin-top:0; padding-left:2rem; }
  .tl-item:nth-child(odd) .tl-dot,.tl-item:nth-child(even) .tl-dot{ left:1px; right:auto; }
  .lines-grid{ grid-template-columns:1fr; }
  .work-grid{ grid-template-columns:1fr; }
  .hero-cards{ grid-template-columns:1fr 1fr; }
  .stat-card:nth-child(2),.stat-card:nth-child(3){ margin-top:0; }
  .footer-inner{ flex-direction:column; align-items:flex-start; }
}

@media (max-width:430px){
  .hero-cards{ grid-template-columns:1fr; }
  .edu-grid{ grid-template-columns:1fr; }
  .hero-actions .btn{ width:100%; }
}