/* ============================================
   SalesMate AI — Luxury Editorial Theme
   Warm Neutral Palette · Playfair Display
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Warm neutral palette */
  --cream:        #FAF8F4;
  --cream-warm:   #F5F0E8;
  --sand:         #EDE8DF;
  --sand-deep:    #E4DDD2;
  --stone:        #D4CCC0;
  --taupe:        #B8B0A4;
  --warm-muted:   #948C82;
  --charcoal:     #1C1A17;
  --charcoal-mid: #3A3630;
  --warm-gray:    #5C5650;
  --muted-text:   #857E76;

  /* Accent — warm bronze */
  --bronze:       #7D6E59;
  --bronze-light: #9B8B76;
  --bronze-pale:  rgba(125, 110, 89, 0.12);
  --bronze-border: rgba(125, 110, 89, 0.22);

  /* Functional */
  --red-warm:     #C0554A;
  --red-pale:     rgba(192, 85, 74, 0.1);

  /* Shadows */
  --shadow-soft:  0 2px 12px rgba(28, 26, 23, 0.07);
  --shadow-card:  0 4px 24px rgba(28, 26, 23, 0.09);
  --shadow-lift:  0 8px 32px rgba(28, 26, 23, 0.12);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--warm-gray);
  background: var(--cream);
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: var(--bronze);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--charcoal);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--charcoal);
  font-weight: 600;
  line-height: 1.2;
}

h1 em, h2 em {
  font-style: italic;
  color: var(--bronze);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(28, 26, 23, 0.07);
  transition: background 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  background: rgba(250, 248, 244, 0.97);
  box-shadow: 0 1px 0 rgba(28, 26, 23, 0.08), var(--shadow-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

.nav-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  color: var(--bronze);
}

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

.nav-links a {
  color: var(--warm-muted);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--charcoal);
}

.nav-cta {
  background: var(--charcoal) !important;
  color: var(--cream) !important;
  padding: 9px 22px;
  border-radius: 4px;
  font-weight: 500 !important;
  font-size: 0.875rem !important;
  letter-spacing: 0.01em;
  transition: background 0.2s, transform 0.15s !important;
}

.nav-cta:hover {
  background: var(--charcoal-mid) !important;
  color: var(--cream) !important;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--charcoal);
  margin: 5px 0;
  transition: 0.3s;
}

/* --- Hero Section --- */
.hero {
  padding: 148px 0 100px;
  background: var(--cream);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(237, 232, 223, 0.5) 100%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 28px;
}

.eyebrow-pulse {
  width: 7px;
  height: 7px;
  background: var(--bronze);
  border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--charcoal);
}

.hero p.subtitle {
  font-size: 1.1rem;
  color: var(--warm-gray);
  margin-bottom: 40px;
  line-height: 1.72;
  max-width: 480px;
  font-weight: 300;
}

.hero-email-form {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin-bottom: 18px;
}

.hero-email-form input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid var(--stone);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--cream);
  color: var(--charcoal);
}

.hero-email-form input::placeholder {
  color: var(--taupe);
}

.hero-email-form input:focus {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px var(--bronze-pale);
}

.hero-email-form button {
  padding: 14px 26px;
  background: var(--charcoal);
  color: var(--cream);
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.01em;
}

.hero-email-form button:hover {
  background: var(--charcoal-mid);
  transform: translateY(-1px);
}

.hero-social-proof {
  font-size: 0.82rem;
  color: var(--taupe);
  font-weight: 300;
}

.hero-social-proof strong {
  color: var(--warm-muted);
  font-weight: 500;
}

/* Hero Decoration */
.hero-decoration {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.deco-card {
  background: var(--cream-warm);
  border: 1px solid var(--sand-deep);
  border-radius: 8px;
  padding: 24px 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.deco-card:hover {
  transform: translateX(-4px);
  box-shadow: var(--shadow-card);
}

.deco-card--1 {
  transform: translateX(24px);
  animation: float-a 6s ease-in-out infinite;
}

.deco-card--2 {
  transform: translateX(0px);
  animation: float-b 7s ease-in-out infinite 1s;
}

.deco-card--3 {
  transform: translateX(16px);
  animation: float-a 8s ease-in-out infinite 2s;
}

@keyframes float-a {
  0%, 100% { transform: translateX(24px) translateY(0); }
  50% { transform: translateX(24px) translateY(-6px); }
}

@keyframes float-b {
  0%, 100% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(0) translateY(-8px); }
}

.deco-card--3 {
  animation-name: float-c;
}

@keyframes float-c {
  0%, 100% { transform: translateX(16px) translateY(0); }
  50% { transform: translateX(16px) translateY(-5px); }
}

.deco-card-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--taupe);
  margin-bottom: 6px;
}

.deco-card-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1;
  margin-bottom: 4px;
}

.deco-card-sub {
  font-size: 0.8rem;
  color: var(--muted-text);
  font-weight: 300;
}

/* --- Section Shared --- */
.section {
  padding: 96px 0;
  background: var(--cream);
}

.section-sand {
  background: var(--sand);
}

.section-header {
  max-width: 560px;
  margin: 0 auto 72px;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--bronze);
  margin-bottom: 16px;
  position: relative;
  padding: 0 20px;
}

.section-label::before,
.section-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 14px;
  height: 1px;
  background: var(--bronze-light);
  transform: translateY(-50%);
}

.section-label::before { right: 100%; margin-right: -14px; }
.section-label::after  { left: 100%;  margin-left: -14px; }

.section-header h2 {
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin-bottom: 18px;
}

.section-header p {
  font-size: 1rem;
  color: var(--muted-text);
  line-height: 1.72;
  font-weight: 300;
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Problem Section --- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.problem-card {
  background: var(--cream-warm);
  border: 1px solid var(--sand-deep);
  border-radius: 6px;
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--stone);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--bronze-pale);
  border-radius: 50%;
  color: var(--bronze);
  margin-bottom: 20px;
}

.card-num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--stone);
  line-height: 1;
  font-style: italic;
}

.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--warm-gray);
  line-height: 1.7;
  font-weight: 300;
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 14px);
  right: calc(12.5% + 14px);
  height: 1px;
  background: var(--stone);
  z-index: 0;
}

.step-card {
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--sand);
  border: 1px solid var(--stone);
  border-radius: 50%;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--bronze);
  margin: 0 auto 24px;
  font-style: italic;
  transition: background 0.2s, border-color 0.2s;
}

.step-card:hover .step-num {
  background: var(--cream-warm);
  border-color: var(--bronze-light);
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--muted-text);
  line-height: 1.68;
  font-weight: 300;
}

/* --- Features --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--sand-deep);
  border: 1px solid var(--sand-deep);
  border-radius: 8px;
  overflow: hidden;
}

.feature-card {
  background: var(--cream);
  padding: 40px 36px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--cream-warm);
}

.feature-card .card-icon {
  margin-bottom: 20px;
  background: transparent;
  border-radius: 0;
  width: auto;
  height: auto;
  justify-content: flex-start;
  color: var(--bronze);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--muted-text);
  line-height: 1.68;
  font-weight: 300;
}

/* --- Languages --- */
.languages-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.lang-card {
  text-align: center;
  background: var(--cream-warm);
  border: 1px solid var(--sand-deep);
  border-radius: 6px;
  padding: 32px 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.lang-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--stone);
}

.lang-card .flag {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.lang-card .name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.lang-card .native {
  font-size: 0.75rem;
  color: var(--taupe);
  font-weight: 300;
}

/* --- Pricing --- */
.pricing-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--cream-warm);
  border: 1px solid var(--stone);
  border-radius: 8px;
  padding: 56px 48px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-card);
}

.pricing-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bronze);
  border: 1px solid var(--bronze-border);
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 32px;
}

.pricing-price {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 4rem;
  font-weight: 600;
  color: var(--charcoal);
  line-height: 1;
  margin-bottom: 8px;
}

.pricing-sub {
  font-size: 0.9rem;
  color: var(--taupe);
  margin-bottom: 40px;
  font-weight: 300;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 40px;
  border-top: 1px solid var(--sand-deep);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  font-size: 0.9rem;
  color: var(--warm-gray);
  border-bottom: 1px solid var(--sand-deep);
  font-weight: 300;
}

.check-icon {
  color: var(--bronze);
  flex-shrink: 0;
}

/* --- Signup Form --- */
.signup-section {
  background: var(--sand);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.signup-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--stone);
}

.signup-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}

.signup-header {
  text-align: left;
  margin: 0;
  max-width: none;
}

.signup-header .section-label {
  padding-left: 0;
}

.signup-header .section-label::before {
  display: none;
}

.signup-form-wrap {
  background: var(--cream);
  border: 1px solid var(--sand-deep);
  border-radius: 8px;
  padding: 44px 40px;
  box-shadow: var(--shadow-soft);
}

.signup-form {
  position: relative;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--charcoal-mid);
  margin-bottom: 7px;
  letter-spacing: 0.01em;
}

.form-group input {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--sand-deep);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  background: var(--cream);
  color: var(--charcoal);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder {
  color: var(--taupe);
}

.form-group input:focus {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px var(--bronze-pale);
}

.btn-submit {
  width: 100%;
  padding: 15px;
  background: var(--charcoal);
  color: var(--cream);
  border: none;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.01em;
  margin-top: 8px;
}

.btn-submit:hover {
  background: var(--charcoal-mid);
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--taupe);
  margin-top: 14px;
  font-weight: 300;
}

.signup-success {
  display: none;
  text-align: center;
  padding: 48px 20px;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--bronze-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--bronze);
}

.signup-success h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 10px;
}

.signup-success p {
  color: var(--muted-text);
  font-size: 0.9rem;
  font-weight: 300;
}

.form-error {
  display: none;
  background: var(--red-pale);
  border: 1px solid rgba(192, 85, 74, 0.25);
  color: var(--red-warm);
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

/* --- Shared Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--charcoal);
  color: var(--cream);
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: 'DM Sans', sans-serif;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  background: var(--charcoal-mid);
  transform: translateY(-1px);
  color: var(--cream);
}

/* --- Footer --- */
.footer {
  background: var(--charcoal);
  padding: 56px 0;
  color: var(--warm-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--cream-warm);
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  color: var(--warm-muted);
  font-size: 0.85rem;
  font-weight: 300;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--cream-warm);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--charcoal-mid);
  font-weight: 300;
}

/* --- Responsive: 1024px --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-decoration {
    flex-direction: row;
    gap: 16px;
  }

  .deco-card--1, .deco-card--2, .deco-card--3 {
    transform: none !important;
    animation: none !important;
    flex: 1;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .steps-grid::before {
    display: none;
  }

  .languages-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .signup-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .signup-header {
    text-align: center;
  }

  .signup-header .section-label {
    padding: 0 20px;
  }

  .signup-header .section-label::before {
    display: block;
  }
}

/* --- Responsive: 768px --- */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-inner {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--cream);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--sand-deep);
    box-shadow: var(--shadow-card);
    z-index: 50;
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding: 120px 0 72px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p.subtitle {
    font-size: 1rem;
  }

  .hero-email-form {
    flex-direction: column;
  }

  .hero-email-form button {
    width: 100%;
  }

  .hero-decoration {
    flex-direction: column;
  }

  .deco-card--1, .deco-card--2, .deco-card--3 {
    transform: none !important;
    animation: none !important;
  }

  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .problem-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    gap: 1px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
    gap: 40px;
  }

  .languages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card {
    padding: 40px 28px;
  }

  .signup-section {
    padding: 72px 0;
  }

  .signup-form-wrap {
    padding: 32px 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* --- Responsive: 480px --- */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .languages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .lang-card {
    padding: 24px 12px;
  }

  .problem-grid {
    gap: 16px;
  }

  .problem-card {
    padding: 32px 24px;
  }
}