/* ══════════════════════════════════════════
   ALTO GROUP — Global Styles
   ══════════════════════════════════════════ */

:root {
  --soft-green: #3D5941;
  --soft-green-light: #4A6B4F;
  --soft-green-dark: #2E4431;
  --light-gold: #D4AF86;
  --gold-muted: #C49B6F;
  --cream: #F7F5F0;
  --warm-white: #FAF9F6;
  --deep-black: #1A1A1A;
  --text-secondary: #4A4A4A;
  --fog: #E8E4DD;
  --ash: #9A9590;
  --smoke: #6B6560;
  --serif: 'EB Garamond', Georgia, serif;
  --sans: 'Inter', 'DM Sans', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--deep-black);
  background: var(--warm-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ── LAYOUT ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--light-gold);
  margin-bottom: 20px;
}

.section-heading {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--deep-black);
  margin-bottom: 24px;
  max-width: 700px;
}

.section-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 48px;
}

.gold-divider {
  width: 48px;
  height: 1px;
  background: var(--light-gold);
  margin: 32px 0;
}

/* ── NAVIGATION ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  background: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 16px 48px;
  box-shadow: 0 1px 0 rgba(61, 89, 65, 0.08);
}

.nav.nav-dark {
  background: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(61, 89, 65, 0.08);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.4s;
}

.nav:not(.scrolled):not(.nav-dark) .nav-logo { color: var(--warm-white); }
.nav.scrolled .nav-logo,
.nav.nav-dark .nav-logo { color: var(--deep-black); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}

.nav:not(.scrolled):not(.nav-dark) .nav-links a { color: rgba(255,255,255,0.75); }
.nav:not(.scrolled):not(.nav-dark) .nav-links a:hover { color: #fff; }
.nav.scrolled .nav-links a,
.nav.nav-dark .nav-links a { color: var(--smoke); }
.nav.scrolled .nav-links a:hover,
.nav.nav-dark .nav-links a:hover { color: var(--deep-black); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--light-gold);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after { width: 100%; }

/* CTA in nav */
.nav-cta {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 2px;
  transition: all 0.3s;
}

.nav:not(.scrolled):not(.nav-dark) .nav-cta {
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--warm-white);
}
.nav:not(.scrolled):not(.nav-dark) .nav-cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--warm-white);
}
.nav.scrolled .nav-cta,
.nav.nav-dark .nav-cta {
  border: 1px solid var(--soft-green);
  color: var(--soft-green);
}
.nav.scrolled .nav-cta:hover,
.nav.nav-dark .nav-cta:hover {
  background: var(--soft-green);
  color: #fff;
}

/* Mobile nav */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 110;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 1.5px;
  transition: all 0.3s;
}

.nav:not(.scrolled):not(.nav-dark) .menu-toggle span { background: var(--warm-white); }
.nav.scrolled .menu-toggle span,
.nav.nav-dark .menu-toggle span { background: var(--deep-black); }

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  background: var(--soft-green);
  color: #fff;
  padding: 18px 36px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.4s;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--soft-green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(61, 89, 65, 0.2);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--soft-green);
  padding: 16px 0;
  border: none;
  border-bottom: 1px solid var(--fog);
  background: none;
  cursor: pointer;
  transition: all 0.4s;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--soft-green);
  gap: 18px;
}

.btn-secondary svg {
  width: 16px;
  height: 16px;
  transition: transform 0.4s;
}

.btn-secondary:hover svg { transform: translateX(4px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--warm-white);
  padding: 16px 32px;
  border: 1px solid rgba(255,255,255,0.35);
  background: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--warm-white);
}

/* ── FOOTER ── */
.footer {
  background: var(--deep-black);
  padding: 80px 0 48px;
  color: rgba(255,255,255,0.5);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand .footer-logo {
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--warm-white);
  margin-bottom: 8px;
}

.footer-brand .footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.45);
  transition: color 0.3s;
}

.footer-nav a:hover { color: var(--warm-white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-contact {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-contact a {
  color: rgba(255,255,255,0.4);
  transition: color 0.3s;
}

.footer-contact a:hover { color: var(--light-gold); }

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ── FORM STYLES ── */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--deep-black);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 14px 16px;
  border: 1px solid var(--fog);
  border-radius: 2px;
  background: #fff;
  color: var(--deep-black);
  transition: border-color 0.3s;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--soft-green);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6560' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--ash);
  margin-top: 4px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav {
    padding: 16px 24px;
  }

  .nav.scrolled {
    padding: 12px 24px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--warm-white);
    flex-direction: column;
    padding: 100px 40px 40px;
    gap: 28px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    color: var(--deep-black) !important;
    font-size: 0.85rem;
  }

  .nav-cta {
    border-color: var(--soft-green) !important;
    color: var(--soft-green) !important;
    text-align: center;
    width: fit-content;
  }

  .section {
    padding: 64px 0;
  }

  .container {
    padding: 0 20px;
  }

  .footer-top {
    flex-direction: column;
    gap: 32px;
  }
}