/* ================================================
   TinyRipple Marketing Site - Stylesheet
   Brand: #14b8a6 (teal) · #120129 (navy) · Poppins
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --teal:        #14b8a6;
  --teal-dark:   #0d9488;
  --teal-light:  #ccfbf1;
  --teal-xlight: #f0fdfa;
  --navy:        #120129;
  --navy-mid:    #1e0a3c;
  --black:       #111111;
  --dark-grey:   #4B5563;
  --grey:        #6B7280;
  --light-grey:  #9CA3AF;
  --border:      #E5E7EB;
  --off-white:   #F7F7F7;
  --white:       #FFFFFF;

  --font:        'Poppins', sans-serif;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow:      0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.14);

  --max-w: 1100px;
  --section-pad: 96px 24px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ─────────────────────────────────── */
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { font-size: 1rem; color: var(--dark-grey); }

.label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  border: none;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(20,184,166,.35);
}
.btn-primary:hover {
  background: var(--teal-dark);
  box-shadow: 0 8px 28px rgba(20,184,166,.45);
}

.btn-dark {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(18,1,41,.25);
}
.btn-dark:hover {
  background: var(--navy-mid);
  box-shadow: 0 8px 28px rgba(18,1,41,.35);
}

.btn-outline {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--teal);
}
.btn-outline:hover {
  background: var(--teal-xlight);
}

.btn-ghost {
  background: rgba(255,255,255,.12);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.2);
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-family: var(--font);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
  text-decoration: none;
}
.btn-store:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-store-dark {
  background: var(--black);
  color: var(--white);
  border: 1.5px solid var(--black);
}
.btn-store-light {
  background: var(--white);
  color: var(--black);
  border: 1.5px solid var(--border);
}

.btn-store-icon { font-size: 1.6rem; line-height: 1; }
.btn-store-text  { display: flex; flex-direction: column; line-height: 1.2; }
.btn-store-small { font-size: .62rem; font-weight: 400; opacity: .75; }
.btn-store-name  { font-size: .95rem; font-weight: 700; }

/* ── Navigation ─────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow .3s ease;
}
.nav.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--black);
}

.nav-logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: -.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--dark-grey);
  transition: color .18s;
}
.nav-links a:hover { color: var(--teal); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all .3s ease;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 68px 0 0 0;
  background: var(--white);
  z-index: 99;
  padding: 32px 24px;
  flex-direction: column;
  gap: 24px;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--dark-grey);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { color: var(--teal); }

/* ── Hero Section ───────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--navy) 0%, #1a0840 60%, #0f2a3f 100%);
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(20,184,166,.18) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(20,184,166,.10) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(20,184,166,.15);
  border: 1px solid rgba(20,184,166,.3);
  color: var(--teal);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}

.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 em { color: var(--teal); font-style: normal; }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 40px;
  max-width: 480px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
}
.hero-proof-item svg { flex-shrink: 0; }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ── Phone Screenshot Fan ───────────────────────── */
.phone-fan {
  position: relative;
  width: 360px;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-fan-item {
  position: absolute;
  border-radius: 28px;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,.65);
  transition: transform .35s cubic-bezier(.25,.46,.45,.94), box-shadow .35s ease;
}

.phone-fan-item img {
  display: block;
  width: 100%;
  border-radius: inherit;
}

/* Left phone - green/Progress */
.phone-fan-left {
  width: 168px;
  transform: rotate(-9deg) translateX(-108px) translateY(28px);
  z-index: 1;
  box-shadow: 0 20px 50px rgba(20,184,166,.30), 0 4px 12px rgba(0,0,0,.18);
}

/* Center phone - purple/Momentum (front) */
.phone-fan-center {
  width: 195px;
  transform: rotate(0deg) translateY(-8px);
  z-index: 3;
  box-shadow: 0 32px 72px rgba(0,0,0,.40), 0 4px 12px rgba(0,0,0,.20);
}

/* Right phone - orange/Accomplishment */
.phone-fan-right {
  width: 168px;
  transform: rotate(9deg) translateX(108px) translateY(28px);
  z-index: 2;
  box-shadow: 0 20px 50px rgba(245,158,11,.28), 0 4px 12px rgba(0,0,0,.18);
}

/* Hover: fan spreads open */
.phone-fan:hover .phone-fan-left {
  transform: rotate(-13deg) translateX(-118px) translateY(40px);
  box-shadow: 0 24px 60px rgba(20,184,166,.38), 0 4px 12px rgba(0,0,0,.18);
}
.phone-fan:hover .phone-fan-center {
  transform: rotate(0deg) translateY(-16px);
  box-shadow: 0 40px 88px rgba(0,0,0,.45), 0 4px 12px rgba(0,0,0,.20);
}
.phone-fan:hover .phone-fan-right {
  transform: rotate(13deg) translateX(118px) translateY(40px);
  box-shadow: 0 24px 60px rgba(245,158,11,.35), 0 4px 12px rgba(0,0,0,.18);
}

/* ── Section Shared ─────────────────────────────── */
.section { padding: var(--section-pad); }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--navy); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header .label { margin-bottom: 12px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.05rem; }

/* ── Problem Section ────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.problem-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  transition: transform .2s ease, box-shadow .2s ease;
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.problem-emoji {
  font-size: 2rem;
  margin-bottom: 16px;
}
.problem-card h3 { margin-bottom: 10px; color: var(--navy); }
.problem-card p  { font-size: .92rem; }

.problem-resolution {
  margin-top: 56px;
  text-align: center;
  padding: 48px;
  background: linear-gradient(135deg, var(--teal-xlight), rgba(20,184,166,.05));
  border-radius: var(--radius-lg);
  border: 1px solid var(--teal-light);
}
.problem-resolution h3 {
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 12px;
  font-weight: 700;
}
.problem-resolution p {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── How It Works ───────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--teal-light), var(--teal), var(--teal-light));
  z-index: 0;
}

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

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--teal);
  margin: 0 auto 20px;
  box-shadow: 0 0 0 6px var(--teal-xlight);
}

.step-card h3 { color: var(--navy); margin-bottom: 8px; }
.step-card p  { font-size: .9rem; }

/* ── Science / Algorithm ────────────────────────── */
.algo-section {
  padding: var(--section-pad);
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.algo-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,.12), transparent 70%);
  pointer-events: none;
}

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

.algo-left h2 { color: var(--white); margin-bottom: 20px; }
.algo-left p  {
  color: rgba(255,255,255,.65);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.algo-factors {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.algo-factor {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: background .2s;
}
.algo-factor:hover { background: rgba(255,255,255,.1); }

.algo-pct {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--teal);
  min-width: 52px;
  text-align: center;
}

.algo-factor-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 3px;
}
.algo-factor-desc {
  font-size: .82rem;
  color: rgba(255,255,255,.55);
  margin: 0;
}

.algo-right {
  display: flex;
  justify-content: center;
}

.algo-chart {
  width: 280px;
  height: 280px;
  position: relative;
}

.algo-donut {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.algo-donut-track {
  fill: none;
  stroke: rgba(255,255,255,.08);
  stroke-width: 20;
}

.algo-donut-seg {
  fill: none;
  stroke-width: 20;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.2s ease;
}

.algo-chart-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.algo-chart-center-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.algo-chart-center-label {
  font-size: .7rem;
  font-weight: 500;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ── Features Grid ──────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--teal-light);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--teal-xlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card h3 { color: var(--navy); margin-bottom: 10px; }
.feature-card p  { font-size: .92rem; line-height: 1.65; }

/* ── Comparison / Difference ────────────────────── */
.compare-section {
  padding: var(--section-pad);
  background: var(--off-white);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.compare-card {
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
}

.compare-card-vs {
  background: var(--white);
  border: 1px solid var(--border);
}

.compare-card-vs .compare-label {
  font-size: .72rem;
  font-weight: 700;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 4px;
}

.compare-card-vs h3 {
  font-size: 1rem;
  color: var(--dark-grey);
  margin-bottom: 12px;
  font-weight: 600;
}

.compare-card-vs .compare-them {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .9rem;
  color: var(--grey);
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.compare-card-vs .compare-them::before {
  content: '✕';
  flex-shrink: 0;
  color: #EF4444;
  font-size: .85rem;
  margin-top: 2px;
}

.compare-card-vs .compare-us {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .9rem;
  color: var(--teal-dark);
  margin-top: 16px;
  font-weight: 500;
}
.compare-card-vs .compare-us::before {
  content: '✓';
  flex-shrink: 0;
  font-weight: 800;
  margin-top: 2px;
}

/* ── Testimonials ───────────────────────────────── */
.testimonials-section {
  padding: var(--section-pad);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--teal-light);
  line-height: 1;
  font-family: Georgia, serif;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: .95rem;
  color: var(--dark-grey);
  line-height: 1.65;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--navy));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: .85rem;
  font-weight: 700;
}
.testimonial-name {
  font-weight: 600;
  font-size: .9rem;
  color: var(--black);
  margin-bottom: 2px;
}
.testimonial-tag {
  font-size: .75rem;
  color: var(--grey);
}

/* ── FAQ ─────────────────────────────────────────── */
.faq-section {
  padding: var(--section-pad);
  background: var(--off-white);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item:hover { border-color: var(--teal-light); }
.faq-item.open { border-color: var(--teal); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 24px;
  font-family: var(--font);
  font-size: .98rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color .2s;
}
.faq-question:hover { color: var(--teal); }
.faq-item.open .faq-question { color: var(--teal); }

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform .3s ease, background .2s;
  color: var(--grey);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--teal-xlight);
  color: var(--teal);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: .93rem;
  color: var(--dark-grey);
  line-height: 1.7;
}

/* ── Download Section ───────────────────────────── */
.download-section {
  padding: var(--section-pad);
  background: linear-gradient(160deg, var(--navy), #1a0840);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(20,184,166,.15) 0%, transparent 70%);
  pointer-events: none;
}

.download-section h2 { color: var(--white); margin-bottom: 16px; }
.download-section .section-sub {
  color: rgba(255,255,255,.65);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.download-note {
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}

/* ── About Section ──────────────────────────────── */
.about-section {
  padding: var(--section-pad);
}

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

.about-left h2 { color: var(--navy); margin-bottom: 24px; }
.about-left p {
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 16px;
  color: var(--dark-grey);
}
.about-left p:last-of-type { margin-bottom: 40px; }

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-value {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--dark-grey);
}
.about-value-icon {
  color: var(--teal);
  font-size: 1rem;
  margin-top: 2px;
}

.about-right {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.about-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.about-stat-item {
  text-align: center;
  padding: 20px;
  background: var(--off-white);
  border-radius: var(--radius);
}
.about-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 6px;
}
.about-stat-label {
  font-size: .78rem;
  color: var(--grey);
  font-weight: 500;
}

/* ── Contact Section ────────────────────────────── */
.contact-section {
  padding: var(--section-pad);
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-left h2 { color: var(--navy); margin-bottom: 20px; }
.contact-left p {
  font-size: 1rem;
  color: var(--dark-grey);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--teal-xlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text a {
  font-size: .95rem;
  color: var(--teal-dark);
  font-weight: 500;
}
.contact-item-text a:hover { text-decoration: underline; }
.contact-item-label {
  font-size: .78rem;
  color: var(--grey);
  margin-bottom: 2px;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .95rem;
  color: var(--black);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-control:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20,184,166,.12);
}
.form-control::placeholder { color: var(--light-grey); }

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

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .18s;
}
.form-submit:hover { background: var(--teal-dark); transform: translateY(-1px); }

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 32px;
  min-height: 320px;
}
.contact-form-wrapper--sent form { display: none; }
.contact-form-wrapper--sent .form-success { display: flex; }

.form-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--teal-xlight);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.form-success-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.form-success-text {
  font-size: .95rem;
  color: var(--dark-grey);
  margin-bottom: 28px;
  line-height: 1.65;
}
.form-success-reset {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 10px 24px;
  font-family: var(--font);
  font-size: .88rem;
  font-weight: 600;
  color: var(--dark-grey);
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.form-success-reset:hover { border-color: var(--teal); color: var(--teal); }

/* ── Footer ─────────────────────────────────────── */
.footer {
  background: var(--navy);
  padding: 64px 24px 32px;
}

.footer-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand-desc {
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  transition: background .2s, color .2s;
  text-decoration: none;
}
.footer-social-btn:hover { background: var(--teal); color: var(--white); }

.footer-col-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer-links a:hover { color: var(--teal); }

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  font-size: .82rem;
  color: rgba(255,255,255,.35);
  transition: color .2s;
}
.footer-bottom-links a:hover { color: var(--teal); }

/* ── Animations ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ── Utility ─────────────────────────────────────── */
.text-center { text-align: center; }
.text-teal    { color: var(--teal); }
.text-navy    { color: var(--navy); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-pad: 64px 20px; }

  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-sub { margin: 0 auto 40px; }
  .hero-ctas { justify-content: center; }
  .hero-proof { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-fan { width: 280px; height: 400px; }
  .phone-fan-center { width: 150px; }
  .phone-fan-left { width: 128px; transform: rotate(-9deg) translateX(-82px) translateY(22px); }
  .phone-fan-right { width: 128px; transform: rotate(9deg) translateX(82px) translateY(22px); }
  .phone-fan:hover .phone-fan-left { transform: rotate(-13deg) translateX(-90px) translateY(30px); }
  .phone-fan:hover .phone-fan-right { transform: rotate(13deg) translateX(90px) translateY(30px); }

  .problem-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .algo-grid { grid-template-columns: 1fr; gap: 48px; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .download-buttons { flex-direction: column; align-items: center; }
  .hero-ctas { flex-direction: column; align-items: center; }
}