/* =========================================================
   ERIKA CUNALATA — PORTAFOLIO PROFESIONAL
   Paleta: Verde Militar + Amarillo + Negro | Tipografía: Arial
========================================================= */

:root{
  /* Verde militar (antes "blue-*") */
  --blue-950:#12160D;
  --blue-900:#1F2A17;
  --blue-800:#2C3A1D;
  --blue-600:#3C4D26;
  --blue-500:#5C7A34;
  --blue-300:#8B9A46;
  --blue-100:#E9EAD8;
  --blue-50:#F6F6EF;

  /* Amarillo militar / dorado (antes "red-*") */
  --red-700:#9C7A1D;
  --red-600:#B8901A;
  --red-500:#D4AF37;
  --red-300:#F0D878;

  --ink:#14150F;
  --ink-soft:#4A4A3C;
  --white:#FFFFFF;

  --radius-lg:10px;
  --radius-md:8px;
  --shadow-md: 0 14px 34px -14px rgba(10,12,7,.35);
  --shadow-red: 0 12px 26px -10px rgba(212,175,55,.5);

  --font-head:'Arial', 'Helvetica', sans-serif;
  --font-body:'Arial', 'Helvetica', sans-serif;

  --header-h: 78px;
  color-scheme: light;

  /* Alias directos usados por la sección "Rangos de Ventas" (misma paleta ya unificada) */
  --mil-green-900:#1F2A17;
  --mil-green-700:#3C4D26;
  --mil-green-500:#5C7A34;
  --mil-olive-400:#8B9A46;
  --mil-gold-500:#D4AF37;
  --mil-gold-300:#F0D878;
}

/* ============ RESET ============ */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--blue-50);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
ul{ list-style:none; }
a{ text-decoration:none; color:inherit; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
[hidden]{ display:none!important; }

.container{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:24px;
}

.icon{ width:1em; height:1em; stroke:currentColor; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; display:inline-block; vertical-align:middle; }

h1,h2,h3{ font-family:var(--font-head); color:var(--blue-950); line-height:1.15; }

/* ============ SCROLL PROGRESS ============ */
.scroll-progress{
  position:fixed; top:0; left:0; height:4px; width:0%;
  background:linear-gradient(90deg, var(--red-500), var(--blue-500));
  z-index:1000;
  transition:width .1s linear;
}

/* ============ HEADER ============ */
.header{
  position:fixed; inset:0 0 auto 0; height:var(--header-h);
  z-index:900;
  display:flex; align-items:center;
  background:transparent;
  transition:background .35s ease, box-shadow .35s ease, height .3s ease;
}
.header.scrolled{
  background:rgba(18,22,13,.94);
  backdrop-filter:blur(10px);
  box-shadow:0 8px 24px -12px rgba(10,12,7,.5);
  height:66px;
}
.navbar{ display:flex; align-items:center; justify-content:space-between; gap:24px; width:100%; }

.logo{
  font-family:var(--font-head); font-weight:800; font-size:1.5rem;
  color:var(--white); letter-spacing:1px; text-transform:uppercase;
}
.logo-dot{ color:var(--red-500); }

.nav-links{ display:flex; align-items:center; gap:8px; }
.nav-link{
  position:relative; padding:8px 14px; font-weight:700; font-size:.9rem;
  color:rgba(255,255,255,.85); border-radius:4px; transition:color .25s ease;
  text-transform:uppercase; letter-spacing:.5px;
}
.nav-link::after{
  content:""; position:absolute; left:14px; right:14px; bottom:4px; height:2px;
  background:var(--red-500); transform:scaleX(0); transform-origin:left;
  transition:transform .3s ease;
}
.nav-link:hover{ color:var(--white); }
.nav-link:hover::after, .nav-link.active::after{ transform:scaleX(1); }
.nav-link.active{ color:var(--white); font-weight:800; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 26px; border-radius:6px; font-weight:700; font-size:.9rem;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space:nowrap; text-transform:uppercase; letter-spacing:.5px;
}
.btn:active{ transform:scale(.97); }
.btn-nav{
  background:linear-gradient(135deg, var(--red-500), var(--red-700));
  color:var(--blue-950); box-shadow:var(--shadow-red);
}
.btn-nav:hover{ transform:translateY(-2px); box-shadow:0 16px 30px -10px rgba(212,175,55,.6); }

.menu-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; z-index:950;
}
.menu-toggle span{
  width:26px; height:3px; background:var(--white); border-radius:3px;
  transition:transform .3s ease, opacity .3s ease;
}
.menu-toggle.active span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.menu-toggle.active span:nth-child(2){ opacity:0; }
.menu-toggle.active span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

/* ============ SECTION SCAFFOLD ============ */
.section{ padding:110px 0; position:relative; }
.section-alt{ background:var(--blue-100); }
.section-alt::before, .section-alt::after{
  content:""; position:absolute; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--blue-300), var(--red-300), transparent);
}
.section-alt::before{ top:0; } .section-alt::after{ bottom:0; }

.section-tag{
  display:inline-flex; align-items:center; gap:8px;
  color:var(--red-600); font-weight:700; text-transform:uppercase;
  letter-spacing:2px; font-size:.8rem; margin-bottom:10px;
}
.icon-tag{ color:var(--red-500); }
.section-title{ font-size:clamp(1.9rem, 3.4vw, 2.6rem); font-weight:700; text-transform:uppercase; letter-spacing:.5px; }
.title-bar{
  display:block; width:70px; height:5px; border-radius:2px; margin:18px 0 46px;
  background:linear-gradient(90deg, var(--blue-500), var(--red-500));
  transform:scaleX(0); transform-origin:left; transition:transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal.visible .title-bar{ transform:scaleX(1); }

/* ============ REVEAL ANIMATION ============ */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.visible{ opacity:1; transform:translateY(0); }

/* ============ GRADIENT BORDER CARD (motivo visual central) ============ */
.mini-card, .edu-card, .timeline-card, .contact-card{
  border-radius:var(--radius-lg);
  padding:2px;
  background:linear-gradient(135deg, var(--blue-500), var(--red-500), var(--blue-300));
  background-size:220% 220%;
  animation:borderFlow 8s ease infinite;
  box-shadow:var(--shadow-md);
  transition:transform .35s ease, box-shadow .35s ease;
}
.mini-card:hover, .edu-card:hover, .timeline-card:hover, .contact-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 40px -16px rgba(212,175,55,.4);
}
.mini-card .inner, .edu-card .inner, .timeline-card .inner, .contact-card .inner{
  background:var(--white); border-radius:calc(var(--radius-lg) - 2px);
  height:100%; padding:34px 28px;
}
@keyframes borderFlow{
  0%{ background-position:0% 50%; }
  50%{ background-position:100% 50%; }
  100%{ background-position:0% 50%; }
}

/* ============ HERO ============ */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  padding-top:var(--header-h);
  background:linear-gradient(160deg, var(--blue-950) 0%, var(--blue-900) 45%, var(--blue-800) 100%);
  overflow:hidden;
}
.hero-bg{ position:absolute; inset:0; z-index:0; }
.blob{
  position:absolute; border-radius:50%; filter:blur(60px); opacity:.35;
}
.blob-1{ width:420px; height:420px; background:var(--blue-500); top:-120px; right:-100px; animation:drift 14s ease-in-out infinite; }
.blob-2{ width:340px; height:340px; background:var(--red-500); bottom:-140px; left:-80px; opacity:.25; animation:drift 16s ease-in-out infinite reverse; }
@keyframes drift{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(40px,-30px) scale(1.12); }
}
.grid-lines{
  position:absolute; inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse at 60% 30%, #000 10%, transparent 70%);
}
.float-shape{
  position:absolute; border:2px solid rgba(255,255,255,.18); opacity:.7;
  animation:floatY 7s ease-in-out infinite;
}
.shape-a{ width:70px; height:70px; border-radius:50%; top:18%; left:8%; border-color:var(--blue-300); animation-delay:0s; }
.shape-b{ width:46px; height:46px; border-radius:4px; top:64%; left:14%; border-color:var(--red-300); transform:rotate(20deg); animation-delay:1.2s; }
.shape-c{ width:90px; height:90px; border-radius:50%; top:12%; right:16%; border-color:var(--red-300); animation-delay:2.1s; }
.shape-d{ width:36px; height:36px; border-radius:4px; bottom:16%; right:10%; border-color:var(--blue-300); transform:rotate(45deg); animation-delay:.6s; }
@keyframes floatY{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(-22px) rotate(8deg); }
}

.hero-content{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.15fr .85fr; align-items:center; gap:40px;
  padding-block:60px;
}
.hero-greeting{ color:var(--blue-300); font-weight:700; letter-spacing:1px; margin-bottom:10px; text-transform:uppercase; font-size:.9rem; }
.hero-name{ font-size:clamp(2.6rem, 5.6vw, 4.3rem); font-weight:800; color:var(--white); letter-spacing:.5px; text-transform:uppercase; }
.hero-role{
  font-size:clamp(1.1rem, 2.2vw, 1.5rem); font-weight:700; color:var(--red-300);
  margin:14px 0 20px; min-height:1.6em; font-family:var(--font-head);
}
.cursor{ display:inline-block; margin-left:2px; animation:blink 1s step-end infinite; color:var(--blue-300); }
@keyframes blink{ 50%{ opacity:0; } }

.hero-desc{ color:rgba(255,255,255,.82); max-width:520px; font-size:1.05rem; margin-bottom:34px; }
.hero-buttons{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:52px; }

.btn-primary{
  background:linear-gradient(135deg, var(--blue-500), var(--blue-800));
  color:var(--white); box-shadow:0 14px 28px -10px rgba(92,122,52,.55);
}
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 18px 34px -8px rgba(92,122,52,.7); }

.btn-outline{
  border:2px solid var(--red-500); color:var(--white);
}
.btn-outline:hover{ background:var(--red-500); color:var(--blue-950); transform:translateY(-3px); box-shadow:var(--shadow-red); }

.hero-stats{ display:flex; gap:40px; flex-wrap:wrap; }
.stat{ color:var(--white); }
.stat-number, .stat-plus{ font-family:var(--font-head); font-size:2.1rem; font-weight:800; color:var(--blue-300); }
.stat-plus{ color:var(--red-300); }
.stat p{ font-size:.85rem; color:rgba(255,255,255,.7); margin-top:2px; text-transform:uppercase; letter-spacing:.3px; }

/* ----- Avatar ----- */
.hero-visual{ display:flex; justify-content:center; }
.avatar-wrap{ position:relative; width:min(300px, 70vw); aspect-ratio:1/1; }
.avatar-wrap::before{
  content:""; position:absolute; inset:-10px; border-radius:50%;
  background:conic-gradient(from 0deg, var(--blue-500), var(--red-500), var(--blue-300), var(--red-300), var(--blue-500));
  animation:spin 7s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.avatar-frame{
  position:relative; z-index:1; width:100%; height:100%; border-radius:50%;
  background:
    radial-gradient(circle at 25% 20%, var(--mil-olive-400) 0%, transparent 22%),
    radial-gradient(circle at 75% 65%, var(--mil-gold-500) 0%, transparent 18%),
    radial-gradient(circle at 60% 15%, var(--mil-green-500) 0%, transparent 26%),
    radial-gradient(circle at 30% 30%, var(--mil-green-500) 0%, var(--mil-green-700) 45%, var(--mil-green-900) 100%);
  border:6px solid var(--blue-900);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.avatar-fallback{
  font-family:var(--font-head); font-weight:800; font-size:4rem;
  color:var(--blue-300); display:flex; align-items:center; justify-content:center;
  width:100%; height:100%;
}
#profileImg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transition:opacity .5s ease;
}
.badge{
  position:absolute; width:56px; height:56px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:1.4rem;
  box-shadow:var(--shadow-md); animation:floatY 5s ease-in-out infinite;
}
.badge-top{ top:0; right:6%; background:linear-gradient(135deg, var(--red-500), var(--red-700)); color:var(--blue-950); }
.badge-bottom{ bottom:4%; left:0; animation-delay:1s; }
.badge-rank{ background:linear-gradient(135deg, var(--mil-gold-500), var(--mil-gold-300)); color:#1a2410; }

.scroll-indicator{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  width:26px; height:42px; border:2px solid rgba(255,255,255,.5); border-radius:20px;
  z-index:1;
}
.scroll-indicator span{
  position:absolute; top:6px; left:50%; translate:-50% 0; width:5px; height:5px;
  background:var(--red-300); border-radius:50%; animation:scrollDot 1.8s ease infinite;
}
@keyframes scrollDot{
  0%{ top:6px; opacity:1; } 80%{ top:24px; opacity:0; } 100%{ top:24px; opacity:0; }
}

/* ============ PERFIL ============ */
.perfil-content{ max-width:840px; font-size:1.08rem; color:var(--ink-soft); margin-bottom:50px; }
.perfil-content strong{ color:var(--blue-800); }
.perfil-cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.mini-icon, .edu-icon, .contact-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:56px; height:56px; border-radius:8px; font-size:1.5rem; margin-bottom:18px;
  background:linear-gradient(135deg, var(--blue-100), var(--blue-300));
  color:var(--blue-800);
}
.mini-card h3, .edu-card h3{ font-size:1.15rem; margin-bottom:10px; }
.mini-card p{ color:var(--ink-soft); font-size:.96rem; }

/* ============ TIMELINE ============ */
.timeline{ position:relative; display:flex; flex-direction:column; gap:50px; padding-left:60px; }
.timeline::before{
  content:""; position:absolute; left:23px; top:6px; bottom:6px; width:3px;
  background:linear-gradient(180deg, var(--blue-500), var(--red-500));
  border-radius:3px;
}
.timeline-item{ position:relative; }
.timeline-dot{
  position:absolute; left:-60px; top:0; width:48px; height:48px; border-radius:50%;
  background:var(--white); border:3px solid var(--blue-500); color:var(--blue-600);
  display:flex; align-items:center; justify-content:center; font-size:1.2rem;
  box-shadow:0 0 0 6px var(--blue-100);
}
.timeline-item:nth-child(even) .timeline-dot{ border-color:var(--red-500); box-shadow:0 0 0 6px #F6EFD3; color:var(--red-600); }
.timeline-date{
  display:inline-block; font-size:.8rem; font-weight:700; color:var(--red-700);
  background:#F8F0D8; padding:5px 14px; border-radius:4px; margin-bottom:14px; letter-spacing:.3px;
  text-transform:uppercase;
}
.timeline-card h3{ font-size:1.3rem; margin-bottom:4px; text-transform:uppercase; }
.timeline-company{ color:var(--blue-600); font-weight:700; margin-bottom:16px; font-style:italic; }
.timeline-card ul{ display:flex; flex-direction:column; gap:8px; }
.timeline-card li{
  position:relative; padding-left:22px; color:var(--ink-soft); font-size:.96rem;
}
.timeline-card li::before{
  content:""; position:absolute; left:0; top:9px; width:8px; height:8px;
  background:linear-gradient(135deg, var(--blue-500), var(--red-500)); transform:rotate(45deg);
}
.timeline-note{ margin-top:30px; font-size:.85rem; color:var(--ink-soft); font-style:italic; padding-left:60px; }

/* ============ FORMACIÓN ============ */
.education-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.edu-mention{ color:var(--ink-soft); font-size:.95rem; margin-bottom:16px; }
.edu-tag{
  display:inline-block; font-size:.75rem; font-weight:700; color:var(--white);
  background:linear-gradient(135deg, var(--blue-500), var(--blue-800)); padding:6px 14px; border-radius:4px;
  text-transform:uppercase; letter-spacing:.4px;
}

/* ============ HABILIDADES ============ */
.skills-grid{ display:flex; flex-wrap:wrap; gap:16px; }
.skill-chip{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 22px; border-radius:6px; font-weight:700; font-size:.9rem;
  background:var(--white); color:var(--blue-900);
  border:2px solid var(--blue-300);
  box-shadow:var(--shadow-md);
  transition:transform .3s ease, border-color .3s ease, background .3s ease, color .3s ease;
  text-transform:uppercase; letter-spacing:.3px;
}
.skill-chip .icon{ color:var(--red-600); transition:color .3s ease; }
.skill-chip:hover{
  transform:translateY(-4px) scale(1.03);
  border-color:var(--red-500);
  background:linear-gradient(135deg, var(--blue-900), var(--blue-950));
  color:var(--white);
}
.skill-chip:hover .icon{ color:var(--red-300); }

/* ============ CONTACTO ============ */
.contact-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-bottom:36px; }
.contact-card{ text-align:center; }
.contact-card h3{ font-size:1.05rem; margin-bottom:6px; text-transform:uppercase; }
.contact-card p{ color:var(--ink-soft); font-size:.92rem; word-break:break-word; }
.contact-card .inner{ display:flex; flex-direction:column; align-items:center; }
.reference-note{ text-align:center; color:var(--ink-soft); font-style:italic; font-size:.92rem; }

/* ============ RANGOS DE VENTAS ============ */
.rank-section{
  background:linear-gradient(170deg, var(--mil-green-900), var(--mil-green-700) 75%);
  position:relative; overflow:hidden;
}
.rank-section::before{
  content:""; position:absolute; inset:0; opacity:.16; pointer-events:none;
  background:
    radial-gradient(circle at 15% 25%, var(--mil-olive-400) 0, var(--mil-olive-400) 12%, transparent 13%),
    radial-gradient(circle at 80% 15%, var(--mil-gold-500) 0, var(--mil-gold-500) 9%, transparent 10%),
    radial-gradient(circle at 60% 80%, var(--mil-green-500) 0, var(--mil-green-500) 16%, transparent 17%),
    radial-gradient(circle at 30% 70%, var(--mil-gold-300) 0, var(--mil-gold-300) 7%, transparent 8%);
  background-size:340px 340px;
}
.rank-tag{ color:var(--mil-gold-300) !important; position:relative; z-index:1; }
.rank-tag .icon-tag{ color:var(--mil-gold-500) !important; }
.rank-section .section-title{ color:var(--white); position:relative; z-index:1; }
.rank-bar{ background:linear-gradient(90deg, var(--mil-green-500), var(--mil-gold-500)) !important; }
.rank-intro{ position:relative; z-index:1; color:rgba(255,255,255,.75); max-width:640px; margin-bottom:48px; }

.rank-grid{ position:relative; z-index:1; display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-bottom:40px; }
.rank-card{
  border-radius:var(--radius-lg); padding:2px;
  background:linear-gradient(135deg, var(--mil-green-500), var(--mil-gold-500));
  transition:transform .3s ease;
}
.rank-card:hover{ transform:translateY(-6px); }
.rank-card .inner{
  background:rgba(10,16,6,.55); border-radius:calc(var(--radius-lg) - 2px);
  padding:28px 20px; height:100%; text-align:center; color:var(--white);
}
.rank-card[data-tier="1"] .rank-badge{ background:linear-gradient(135deg, var(--mil-green-700), var(--mil-green-500)); }
.rank-card[data-tier="2"] .rank-badge{ background:linear-gradient(135deg, var(--mil-green-500), var(--mil-olive-400)); }
.rank-card[data-tier="3"] .rank-badge{ background:linear-gradient(135deg, var(--mil-olive-400), var(--mil-gold-500)); }
.rank-card[data-tier="4"] .rank-badge{ background:linear-gradient(135deg, var(--mil-gold-500), var(--mil-gold-300)); }
.rank-badge{
  width:60px; height:60px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:1.6rem; margin:0 auto 16px; color:#1A2410; box-shadow:0 8px 20px -8px rgba(0,0,0,.5);
}
.rank-card h3{ color:var(--white); font-size:1.2rem; margin-bottom:8px; text-transform:uppercase; }
.rank-range{
  display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.5px;
  color:var(--mil-gold-300); border:1px solid var(--mil-gold-500); border-radius:4px; padding:4px 12px; margin-bottom:12px;
}
.rank-card p{ font-size:.88rem; color:rgba(255,255,255,.65); }
.rank-card.is-top{ box-shadow:0 0 30px -6px rgba(212,175,55,.5); }

.rank-current{
  position:relative; z-index:1; border-radius:var(--radius-lg); padding:2px;
  background:linear-gradient(135deg, var(--mil-gold-500), var(--mil-green-500));
}
.rank-current .inner{
  background:rgba(10,16,6,.65); border-radius:calc(var(--radius-lg) - 2px);
  padding:32px; display:flex; align-items:center; gap:28px; flex-wrap:wrap;
}
.rank-current-badge{
  width:72px; height:72px; min-width:72px; border-radius:50%;
  background:linear-gradient(135deg, var(--mil-gold-500), var(--mil-gold-300));
  display:flex; align-items:center; justify-content:center; font-size:2rem; color:#1A2410;
}
.rank-current-info{ flex:1; min-width:200px; }
.rank-current-label{ display:block; color:var(--white); font-weight:700; margin-bottom:10px; text-transform:uppercase; }
.rank-current-bar{ height:10px; border-radius:6px; background:rgba(255,255,255,.15); overflow:hidden; }
.rank-current-fill{ height:100%; border-radius:6px; background:linear-gradient(90deg, var(--mil-green-500), var(--mil-gold-500)); }
.rank-current-percent{ text-align:center; color:var(--white); }
.rank-current-percent .stat-number, .rank-current-percent .stat-plus{ color:var(--mil-gold-300); font-size:2.4rem; }
.rank-current-percent p{ color:rgba(255,255,255,.7); font-size:.82rem; margin-top:2px; text-transform:uppercase; }
.rank-note{ position:relative; z-index:1; color:rgba(255,255,255,.6) !important; padding-left:0 !important; }

/* ============ FOOTER ============ */
.footer{
  background:var(--blue-950); padding:36px 0; position:relative;
}
.footer::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg, var(--blue-500), var(--red-500), var(--blue-500));
  background-size:200% 100%; animation:borderFlow 6s linear infinite;
}
.footer-content{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.footer-content p{ color:rgba(255,255,255,.65); font-size:.85rem; }
.footer-logo{ font-size:1.2rem; }
.back-to-top{
  width:42px; height:42px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, var(--red-500), var(--red-700)); color:var(--blue-950);
  box-shadow:var(--shadow-red); opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .3s ease, transform .3s ease, visibility .3s ease;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover{ transform:translateY(-4px); }
.back-to-top .icon{ width:1.1em; height:1.1em; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .hero-content{ grid-template-columns:1fr; text-align:center; padding-block:40px; }
  .hero-desc{ margin-inline:auto; }
  .hero-buttons, .hero-stats{ justify-content:center; }
  .hero-visual{ order:-1; }
  .perfil-cards, .education-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr 1fr; }
  .rank-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 900px){
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:min(78vw,320px); height:100vh;
    background:linear-gradient(180deg, var(--blue-950), var(--blue-900));
    flex-direction:column; justify-content:center; align-items:flex-start; gap:6px;
    padding:100px 36px; transform:translateX(100%); transition:transform .4s cubic-bezier(.22,1,.36,1);
    z-index:940;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links li{ width:100%; }
  .nav-link{ display:block; width:100%; padding:14px 6px; font-size:1.05rem; }
  .btn-nav{ display:none; }
  .menu-toggle{ display:flex; }

  .perfil-cards, .education-grid, .contact-grid{ grid-template-columns:1fr; }
  .timeline{ padding-left:50px; }
  .timeline-dot{ left:-50px; width:40px; height:40px; font-size:1rem; }
  .section{ padding:80px 0; }
  .footer-content{ flex-direction:column; text-align:center; }
}

@media (max-width: 480px){
  .hero-stats{ gap:24px; }
  .stat-number, .stat-plus{ font-size:1.7rem; }
  .rank-grid{ grid-template-columns:1fr; }
  .rank-current .inner{ flex-direction:column; text-align:center; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}