/* =========================================================
   Granvolk — main.css  |  Cor da marca: #FF0000
   ========================================================= */

:root {
  --black:    #06060A;
  --white:    #F0EBE0;
  --accent:   #FF0000;
  --surface:  #0C0C12;
  --muted:    #5A5A6B;
  --border:   rgba(255, 0, 0, 0.15);
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-accent:  'Cormorant Garamond', serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { background: var(--black); color: var(--white); font-family: var(--font-body); }
::selection { background: var(--accent); color: var(--white); }

/* === Scroll Progress Bar === */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* === Loader === */
#loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.loader-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.loader-logo { width: 56px; height: 24px; opacity: 0; }
.loader-progress-wrap { width: 200px; height: 1px; background: rgba(255,255,255,0.08); overflow: hidden; }
.loader-bar { height: 100%; width: 0%; background: var(--accent); transition: width 0.05s linear; }
.loader-pct { font-family: var(--font-display); font-weight: 900; font-size: 11px; letter-spacing: 0.3em; color: var(--muted); text-transform: uppercase; }

/* === Noise Overlay === */
.noise-overlay {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 1; opacity: 0.5;
}

/* === Logo SVG === */
.logo-img { height: 28px; width: auto; display: block; }
.logo-img .logo-text { fill: var(--white); }

/* === Navigation === */
#site-nav { background: transparent; }
#site-nav.scrolled {
  background: rgba(6,6,10,0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.btn-nav {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--accent); color: var(--accent);
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  transition: background 0.3s, color 0.3s;
}
.btn-nav:hover { background: var(--accent); color: var(--white); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0;
  background: var(--black); z-index: 40;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.76,0,0.24,1);
  padding-top: 5rem; overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-nav-link { text-decoration: none; transition: color 0.2s; display: block; }
#nav-toggle.active .hamburger-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
#nav-toggle.active .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#nav-toggle.active .hamburger-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Active nav link */
.nav-link.active { color: var(--accent) !important; }

/* === Hero === */
#hero { background: var(--black); }
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,0,0,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,0,0.055) 1px, transparent 1px);
  background-size: 80px 80px; pointer-events: none;
}
.hero-center-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -55%);
  width: 700px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(255,0,0,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(3.8rem, 13vw, 15rem);
  line-height: 0.88; letter-spacing: -0.03em; color: var(--white);
}
.title-line { display: block; }

/* Gradient fade on second title line */
.title-fade {
  background: linear-gradient(180deg, var(--white) 30%, rgba(240,235,224,0.22) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-stroke { -webkit-text-stroke: 2px var(--white); color: transparent; }

/* === Buttons === */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px;
  background: var(--accent); color: var(--white);
  font-family: var(--font-display); font-weight: 700;
  font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase;
  text-decoration: none; border: 2px solid var(--accent);
  position: relative; overflow: hidden; transition: color 0.3s;
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: var(--black); transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.76,0,0.24,1); z-index: 0;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { color: var(--accent); }
.btn-primary > * { position: relative; z-index: 1; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px;
  background: transparent; color: var(--white);
  font-family: var(--font-display); font-weight: 700;
  font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase;
  text-decoration: none; border: 2px solid rgba(240,235,224,0.25);
  transition: border-color 0.3s, color 0.3s;
}
.btn-ghost:hover { border-color: var(--white); }

.btn-sm {
  padding: 10px 20px !important;
  font-size: 11px !important;
}

/* Scroll indicator */
.scroll-indicator-line { width: 1px; height: 48px; background: rgba(255,0,0,0.2); position: relative; overflow: hidden; }
.scroll-indicator-dot { width: 1px; height: 20px; background: var(--accent); position: absolute; top: -20px; animation: scroll-dot 2s ease-in-out infinite; }
@keyframes scroll-dot { 0%{top:-20px;opacity:0} 30%{opacity:1} 70%{opacity:1} 100%{top:100%;opacity:0} }

/* === Manifesto === */
.marquee-strip { overflow: hidden; }
.marquee-track { animation: marquee 28s linear infinite; }
@keyframes marquee { 0%{transform:translateX(0)} 100%{transform:translateX(-33.333%)} }
.marquee-strip:hover .marquee-track { animation-play-state: paused; }
.vertical-label { flex-direction: column; align-items: center; }

/* === Services === */
.service-card { min-height: 400px; }
.case-grid-bg {
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* === Stats === */
.stat-number { font-variant-numeric: tabular-nums; }

/* === Cases === */
.case-hover-overlay { transition: opacity 0.4s ease; }

/* === Testimonials === */
.testimonials-track { gap: 2rem; }
.dot { width: 6px; height: 6px; background: var(--muted); border-radius: 50%; border: none; transition: background 0.3s, width 0.3s; }
.dot-active { background: var(--accent); width: 24px; border-radius: 3px; }

/* === Founder === */
.founder-photo-area {
  position: relative;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #1a0000 0%, #0a0005 60%, var(--black) 100%);
  overflow: hidden;
}
.founder-photo-area img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  display: block;
}
.founder-photo-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px;
  border: 2px dashed rgba(255,0,0,0.25);
}
.founder-photo-placeholder p { font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }

/* === Contact Form === */
.form-label { display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.form-input { width: 100%; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); color: var(--white); font-family: var(--font-body); font-size: 14px; padding: 14px 16px; outline: none; transition: border-color 0.3s, background 0.3s; -webkit-appearance: none; appearance: none; }
.form-input:focus { border-color: var(--accent); background: rgba(255,0,0,0.04); }
.form-input::placeholder { color: var(--muted); }
.form-input.error { border-color: #ef4444; }
.form-error { display: block; font-size: 11px; color: #ef4444; margin-top: 4px; min-height: 16px; }
.form-textarea { resize: vertical; min-height: 140px; }
.select-wrapper { position: relative; }
.form-select { padding-right: 40px; }
.form-select option { background: var(--surface); color: var(--white); }
.select-arrow { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--muted); }

/* === Footer === */
.footer-link { display: inline-block; color: var(--muted); font-size: 14px; text-decoration: none; transition: color 0.2s; }
.footer-link:hover { color: var(--accent); }
.social-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--border); color: var(--muted); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; transition: color 0.3s, border-color 0.3s; }
.social-pill:hover { color: var(--accent); border-color: rgba(255,0,0,0.4); }

/* === Page hero (inner pages) === */
.page-hero {
  padding: 10rem 0 6rem;
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-title { font-size: clamp(3rem, 8vw, 8rem); line-height: 0.9; }

/* === Reveal animations === */
.reveal-block { opacity: 0; transform: translateY(32px); transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1); }
.reveal-block.revealed { opacity: 1; transform: translateY(0); }
.service-card.reveal-block, .case-card.reveal-block, .method-step.reveal-block, .stat-block.reveal-block { transition-delay: var(--delay, 0ms); }

/* === Loading state for form === */
#submit-btn:disabled { opacity: 0.6; pointer-events: none; }

/* === Accessibility === */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ================================================
   RESPONSIVE — Mobile first
   ================================================ */

/* Prevent horizontal overflow globally */
html { overflow-x: hidden; }
body { overflow-x: hidden; max-width: 100vw; }
.marquee-strip { overflow: hidden !important; }

/* Touch devices — remove hover-fill on service cards */
@media (hover: none) {
  .service-card-fill { display: none !important; }
  .service-card:active { background: rgba(255,0,0,0.06); }
}

/* ---- xs  (up to 479px) ---- */
@media (max-width: 479px) {
  /* Hero */
  .hero-title {
    font-size: clamp(2.4rem, 12vw, 3.5rem);
    letter-spacing: -0.02em;
  }
  .hero-center-glow { display: none; }

  /* Hide scroll indicator on small mobile */
  [data-animate="scroll-hint"] { display: none !important; }

  /* Hero CTAs full-width */
  .hero-cta-wrap      { flex-direction: column !important; gap: 0.75rem !important; }
  .hero-cta-wrap > a  { width: 100% !important; justify-content: center !important; }

  /* Hero stats strip */
  .hero-stats-strip { margin-top: 2rem !important; padding-top: 1rem !important; gap: 1rem !important; }
  .stat-value       { font-size: 1.8rem !important; }

  /* Section padding */
  section.py-32, section.py-24, section.py-20 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  .pt-20 { padding-top: 5rem !important; }

  /* Page inner hero */
  .page-hero { padding: 6rem 0 2.5rem !important; }
  .page-hero-title { font-size: clamp(2rem, 11vw, 3rem) !important; }

  /* Manifesto */
  .manifesto-text { font-size: 1.65rem !important; line-height: 1.1 !important; }

  /* Stats blocks */
  .stat-block  { padding: 1.25rem 0.75rem !important; }
  .stat-number { font-size: 2.5rem !important; }

  /* Service cards */
  .service-card { min-height: 0 !important; }

  /* Cases visual */
  .case-visual  { height: 150px !important; }

  /* Testimonials */
  .testimonial-slide     { min-width: 100% !important; padding-left: 0 !important; padding-right: 0 !important; }
  .testimonials-track    { gap: 0 !important; }
  .testimonial-card      { padding: 1.5rem !important; }
  .quote-mark            { font-size: 4rem !important; }

  /* Founder photo */
  .founder-photo-area { aspect-ratio: 4/3 !important; }

  /* Buttons */
  .btn-primary, .btn-ghost { padding: 13px 20px; font-size: 12px; }

  /* Footer logo */
  .logo-img { height: 20px !important; }
}

/* ---- sm  (480–767px) ---- */
@media (min-width: 480px) and (max-width: 767px) {
  .hero-title { font-size: clamp(3rem, 11vw, 5rem); }
  .hero-cta-wrap > a { min-width: 200px; }

  section.py-32 { padding-top: 4rem !important; padding-bottom: 4rem !important; }
  section.py-24 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
  section.py-20 { padding-top: 2.5rem !important; padding-bottom: 2.5rem !important; }

  .page-hero       { padding: 7rem 0 3rem !important; }
  .page-hero-title { font-size: clamp(2.4rem, 10vw, 4rem) !important; }
  .service-card    { min-height: 0 !important; }
}

/* ---- all mobile (< 768px) ---- */
@media (max-width: 767px) {
  /* Prevent iOS input auto-zoom (requires font-size >= 16px) */
  .form-input,
  .form-select,
  .form-textarea { font-size: 16px !important; }

  /* Founder */
  .founder-grid { grid-template-columns: 1fr !important; }
  .founder-photo-area { max-width: 100% !important; }

  /* Timeline dot alignment */
  .timeline-dot { left: 1rem !important; }
}

/* ---- md (768px+) ---- */
@media (min-width: 768px) {
  .hero-title { font-size: clamp(4rem, 12vw, 15rem); }
}