/* =============================================
   VIVOYA HEALTH — Main Stylesheet
   Brand: Orange vitality, warm cream, clean white
   ============================================= */

/* ---- CSS Custom Properties ---- */
:root {
  --orange-50:  #fff7ed;
  --orange-100: #ffedd5;
  --orange-200: #fed7aa;
  --orange-300: #fdba74;
  --orange-400: #fb923c;
  --orange-500: #f97316;
  --orange-600: #ea6c0a;
  --orange-700: #c2570a;
  --orange-800: #9a3a07;

  --cream:      #FAFAF8;
  --cream-dark: #F4F3EF;
  --white:      #ffffff;
  --charcoal:   #1a1a1a;
  --gray-900:   #111827;
  --gray-800:   #1f2937;
  --gray-700:   #374151;
  --gray-600:   #4b5563;
  --gray-500:   #6b7280;
  --gray-400:   #9ca3af;
  --gray-200:   #e5e7eb;
  --gray-100:   #f3f4f6;

  --peach-100:  #fde8d8;
  --peach-200:  #fcd0b0;

  --green-100:  #dcfce7;
  --green-500:  #22c55e;
  --blue-100:   #dbeafe;
  --blue-500:   #3b82f6;

  --font-primary: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --shadow-orange: 0 8px 32px rgba(249,115,22,.25);

  --header-h: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.15;
  color: var(--gray-900);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; font-weight: 600; }
h5 { font-size: .95rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
p  { line-height: 1.7; color: var(--gray-600); }

.text-gradient {
  background: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.section-pad { padding-block: 100px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-primary);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-sm  { padding: 10px 20px; font-size: .85rem; }
.btn-md  { padding: 13px 28px; font-size: .95rem; }
.btn-lg  { padding: 16px 36px; font-size: 1rem; }
.btn-xl  { padding: 18px 44px; font-size: 1.05rem; }

.btn-primary {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: var(--white);
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--orange-600), var(--orange-700));
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(249,115,22,.35);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  border-color: var(--gray-300, #d1d5db);
  color: var(--gray-800);
}
.btn-outline:hover {
  border-color: var(--orange-500);
  color: var(--orange-600);
  background: var(--orange-50);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--orange-600);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--orange-50);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0,0,0,.12);
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: var(--white);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ---- Section Headers ---- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange-600);
  background: var(--orange-50);
  border: 1px solid var(--orange-100);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 64px;
}
.section-header .section-title { margin-bottom: 16px; }
.section-header .section-subtitle { font-size: 1.05rem; color: var(--gray-500); }

/* ---- Scroll Animations ---- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay { transition-delay: .15s; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: 0 2px 20px rgba(0,0,0,.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 32px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity var(--transition);
}
.logo-img:hover { opacity: .85; }

/* Footer logo — slightly smaller, white-tinted version using brightness */
.logo-img-footer {
  height: 52px;
  filter: brightness(0) invert(1);
  opacity: .9;
}
.logo-img-footer:hover { opacity: 1; }

/* Nav */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--orange-600);
  background: var(--orange-50);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--gray-100); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-link {
  display: block;
  padding: 13px 16px;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition);
}
.mobile-nav-link:hover { background: var(--orange-50); color: var(--orange-600); }
.mobile-cta { display: block; text-align: center; margin-top: 12px; }

/* ============================================
   HERO SECTION — Clean white with orange accents
   ============================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: var(--white);
}

/* Decorative background shapes */
.hero-shapes { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
}
.hero-shape-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,.10) 0%, transparent 70%);
  top: -120px; right: -80px;
  animation: shape-drift 10s ease-in-out infinite;
}
.hero-shape-2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(253,186,116,.12) 0%, transparent 70%);
  bottom: 60px; right: 30%;
  animation: shape-drift 13s ease-in-out infinite 2s;
}
.hero-shape-3 {
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(249,115,22,.07) 0%, transparent 70%);
  top: 40%; left: -80px;
  animation: shape-drift 9s ease-in-out infinite 1s;
}
.hero-shape-4 {
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(251,146,60,.10) 0%, transparent 70%);
  bottom: 10%; right: 10%;
  animation: shape-drift 11s ease-in-out infinite 3s;
}
@keyframes shape-drift {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.05); }
}

/* Two-column hero layout */
.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-block: 120px 110px;
}

/* ---- Hero text (left) ---- */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orange-600);
  background: var(--orange-50);
  border: 1px solid var(--orange-200);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange-500);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero-headline {
  color: var(--gray-900);
  margin-bottom: 24px;
  letter-spacing: -.025em;
}

.hero-subheadline {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--gray-500);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Trust badges */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
}
.trust-badge i { color: var(--orange-500); font-size: .85rem; }

/* Hero Stats */
.hero-stats {
  display: inline-flex;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  box-shadow: var(--shadow-md);
  gap: 0;
}
.stat-card { text-align: center; padding-inline: 20px; }
.stat-number {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--orange-500);
  line-height: 1;
}
.stat-label {
  font-size: .75rem;
  color: var(--gray-500);
  margin-top: 4px;
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
  flex-shrink: 0;
}

/* ---- Hero Visual (right) ---- */
.hero-visual {
  position: relative;
}

.hero-product-stack {
  position: relative;
  height: 580px;
}

/* Main doctor image card */
.hero-product-main {
  position: absolute;
  top: 0;
  left: 40px;
  right: 40px;
  bottom: 60px;
  background: var(--white);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(249,115,22,.13), 0 6px 24px rgba(0,0,0,.09);
  border: 1px solid var(--orange-100);
}
.hero-product-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform .7s ease;
}
.hero-product-main:hover img { transform: scale(1.03); }

/* Doctor image — slightly different object position for portrait */
.hero-doctor-main img {
  object-position: center 15%;
}

.hero-product-label {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--orange-100);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--gray-900);
  box-shadow: var(--shadow-sm);
}
.product-label-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange-500);
  flex-shrink: 0;
}

/* Floating mini product cards */
.hero-product-float {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,.12), 0 2px 8px rgba(0,0,0,.06);
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  z-index: 4;
}
.hero-product-float img {
  width: 100%;
  height: 96px;
  object-fit: cover;
}
.hero-product-float span {
  font-size: .73rem;
  font-weight: 700;
  color: var(--gray-800);
  padding: 8px 12px;
  background: var(--white);
  white-space: nowrap;
  border-top: 1px solid var(--gray-100);
}

/* Bottom-left float card */
.hero-pf-1 {
  width: 148px;
  bottom: 0;
  left: -8px;
  animation: float-card 6s ease-in-out infinite;
}
/* Top-right float card */
.hero-pf-2 {
  width: 148px;
  top: -8px;
  right: -8px;
  animation: float-card 6s ease-in-out infinite 2.2s;
}

@keyframes float-card {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-10px); }
}

/* Floating provider-guided badge */
.hero-float-badge {
  position: absolute;
  bottom: 72px;
  right: -20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 13px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(249,115,22,.15), 0 2px 8px rgba(0,0,0,.07);
  border: 1px solid var(--orange-100);
  animation: float-card 7s ease-in-out infinite 1.2s;
  z-index: 5;
}
.hero-float-badge i {
  font-size: 1.35rem;
  color: var(--orange-500);
  flex-shrink: 0;
}
.hero-float-badge strong {
  display: block;
  font-size: .86rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}
.hero-float-badge span {
  font-size: .71rem;
  color: var(--gray-500);
}

/* Hero Wave */
.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 3;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 80px; }

/* ============================================
   MARQUEE SECTION
   ============================================ */
.marquee-section {
  background: var(--cream);
  padding-block: 20px;
  overflow: hidden;
  border-bottom: 1px solid var(--gray-200);
}
.marquee-track { overflow: hidden; white-space: nowrap; }
.marquee-inner {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  animation: marquee-scroll 30s linear infinite;
  font-family: var(--font-primary);
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-600);
  letter-spacing: .02em;
}
.marquee-section:hover .marquee-inner { animation-play-state: paused; }
.marquee-dot { color: var(--orange-400); font-size: .7rem; }
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================
   TREATMENTS SECTION
   ============================================ */
.treatments-section { background: var(--cream); }

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

.treatment-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.treatment-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(249,115,22,.10), 0 4px 16px rgba(0,0,0,.06);
  border-color: var(--orange-200);
}

/* Product image area */
.card-img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
  flex-shrink: 0;
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
  display: block;
}
.treatment-card:hover .card-img-wrap img { transform: scale(1.06); }

.card-img-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}
.card-img-tag.orange { background: rgba(249,115,22,.88); color: #fff; }
.card-img-tag.peach  { background: rgba(234,108,10,.88); color: #fff; }
.card-img-tag.warm   { background: rgba(194,87,10,.88);  color: #fff; }
.card-img-tag.green  { background: rgba(22,163,74,.88);  color: #fff; }
.card-img-tag.blue   { background: rgba(59,130,246,.88); color: #fff; }

/* Card body below image */
.card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--gray-900);
}
.card-desc {
  font-size: .875rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 22px;
  flex: 1;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--orange-600);
  transition: gap var(--transition);
  margin-top: auto;
}
.card-link:hover { gap: 10px; }
.card-link i { font-size: .8rem; }

/* CTA card */
.treatment-card-cta {
  background: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-700) 100%);
  border-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.treatment-card-cta::before { display: none; }
.treatment-card-cta:hover { border-color: transparent; }

.cta-card-inner { text-align: center; }
.cta-card-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
  margin: 0 auto 20px;
}
.cta-card-inner h3 { color: var(--white); font-size: 1.25rem; margin-bottom: 12px; }
.cta-card-inner p  { color: rgba(255,255,255,.8); font-size: .9rem; margin-bottom: 28px; }
.cta-card-inner .btn-primary {
  background: var(--white);
  color: var(--orange-600);
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.cta-card-inner .btn-primary:hover { background: var(--orange-50); }

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-section { background: var(--white); }

.steps-wrapper { position: relative; margin-bottom: 60px; }

.steps-connector {
  display: none;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.step-number {
  font-family: var(--font-primary);
  font-size: 3rem;
  font-weight: 900;
  color: var(--orange-100);
  line-height: 1;
  margin-bottom: 16px;
  user-select: none;
}

.step-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 20px;
  box-shadow: var(--shadow-orange);
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
  line-height: 1.3;
}
.step-desc {
  font-size: .88rem;
  color: var(--gray-500);
  line-height: 1.65;
}

.how-cta {
  text-align: center;
}
.how-cta-note {
  font-size: .82rem;
  color: var(--gray-400);
  margin-top: 12px;
}

/* ============================================
   WHY VIVOYA SECTION
   ============================================ */
.why-section { background: var(--cream); }

.why-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.why-left { position: sticky; top: 100px; }
.why-left .section-title { margin-bottom: 20px; }
.why-body {
  font-size: 1rem;
  color: var(--gray-500);
  margin-bottom: 36px;
  line-height: 1.7;
}

.why-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.why-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.why-feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--orange-200);
}

.feature-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.feature-icon.orange { background: var(--orange-100); color: var(--orange-600); }

.feature-content h4 {
  font-size: .98rem;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.feature-content p {
  font-size: .84rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============================================
   BRAND / LIFESTYLE SECTION
   ============================================ */
.brand-section { background: var(--white); }

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

/* Brand visual */
.brand-image-wrap { position: relative; }
.brand-image-placeholder {
  position: relative;
  height: 460px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}
.brand-orb-1 {
  width: 260px; height: 260px;
  background: rgba(249,115,22,.3);
  top: -60px; right: -60px;
  animation: orb-float 8s ease-in-out infinite;
}
.brand-orb-2 {
  width: 180px; height: 180px;
  background: rgba(251,146,60,.2);
  bottom: -40px; left: -40px;
  animation: orb-float 8s ease-in-out infinite 2s;
}
.brand-orb-3 {
  width: 120px; height: 120px;
  background: rgba(253,186,116,.15);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: orb-float 6s ease-in-out infinite 1s;
}
@keyframes orb-float {
  0%,100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.1) translateY(-15px); }
}
.brand-orb-3 { animation: orb-float3 6s ease-in-out infinite 1s; }
@keyframes orb-float3 {
  0%,100% { transform: translate(-50%,-50%) scale(1); }
  50% { transform: translate(-50%,-50%) scale(1.2); }
}

.brand-icon-center {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
}
.brand-icon-center i {
  font-size: 5rem;
  color: var(--orange-400);
  display: block;
  margin-bottom: 16px;
  animation: spin-slow 20s linear infinite;
}
@keyframes spin-slow { from{transform:rotate(0)} to{transform:rotate(360deg)} }
.brand-icon-center span {
  font-family: var(--font-primary);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: .05em;
}

/* Floating stats */
.brand-stat-float {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 3;
}
.brand-stat-float i { font-size: 1.4rem; color: var(--orange-500); }
.brand-stat-float strong { display: block; font-size: .95rem; font-weight: 700; color: var(--gray-900); }
.brand-stat-float span  { font-size: .75rem; color: var(--gray-500); }

.brand-stat-1 { bottom: -20px; left: -24px; }
.brand-stat-2 { top: -20px; right: -24px; }

/* Brand content */
.brand-content .section-title { margin-bottom: 24px; }
.brand-body { margin-bottom: 20px; font-size: 1rem; }
.brand-body:last-of-type { margin-bottom: 32px; }

.brand-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.brand-value {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-700);
}
.brand-value i { color: var(--orange-500); }

/* ============================================
   QUALITY & SAFETY SECTION
   ============================================ */
.quality-section { background: var(--cream); }

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

.quality-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.quality-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.quality-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--orange-50);
  color: var(--orange-600);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.quality-card h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--gray-900);
}
.quality-card p { font-size: .88rem; color: var(--gray-500); line-height: 1.65; }

.quality-card-highlight {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  border-color: transparent;
}
.quality-card-highlight .quality-icon { background: rgba(249,115,22,.2); color: var(--orange-400); }
.quality-card-highlight h4 { color: var(--white); }
.quality-card-highlight p  { color: rgba(255,255,255,.65); }

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section { background: var(--white); }

.faq-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 80px;
  align-items: start;
}

.faq-header { position: sticky; top: 100px; }
.faq-header .section-title { margin-bottom: 16px; }
.faq-header p { font-size: .95rem; color: var(--gray-500); margin-bottom: 32px; }
.faq-cta-btn { font-size: .85rem; padding: 12px 24px; }

/* FAQ accordion */
.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.active { border-color: var(--orange-300); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  font-family: var(--font-primary);
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-900);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--orange-600); }
.faq-item.active .faq-question { color: var(--orange-600); }

.faq-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--orange-100);
  color: var(--orange-600);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--orange-500);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-answer p {
  padding: 0 24px 24px;
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta-section {
  position: relative;
  background: linear-gradient(135deg, var(--orange-600) 0%, var(--orange-700) 50%, #c2570a 100%);
  overflow: hidden;
  padding-block: 120px;
}

.final-cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .3;
}
.cta-orb-1 { width: 400px; height: 400px; background: rgba(255,255,255,.2); top: -100px; left: -100px; }
.cta-orb-2 { width: 300px; height: 300px; background: rgba(0,0,0,.15); bottom: -80px; right: -80px; }
.cta-orb-3 { width: 200px; height: 200px; background: rgba(255,200,100,.2); top: 50%; left: 50%; transform: translate(-50%,-50%); }

.final-cta-content { position: relative; z-index: 2; }

.final-cta-inner {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
}

.final-cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}
.final-cta-badge i { color: rgba(255,255,255,.8); }

.final-cta-headline {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.final-cta-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 44px;
  line-height: 1.7;
}

.final-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.final-cta-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  font-size: .82rem;
  color: rgba(255,255,255,.7);
  font-weight: 500;
}
.final-cta-trust span {
  display: flex;
  align-items: center;
  gap: 7px;
}
.final-cta-trust i { color: rgba(255,255,255,.9); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
  padding-top: 80px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-logo .logo-icon { background: linear-gradient(135deg, var(--orange-500), var(--orange-600)); }
.footer-logo .logo-text { color: var(--white); }

.footer-tagline {
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  margin-top: 16px;
  margin-bottom: 24px;
  max-width: 280px;
  line-height: 1.65;
}

.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.footer-social a:hover {
  background: var(--orange-500);
  border-color: var(--orange-500);
  color: var(--white);
}

.footer-links-group h5 {
  color: rgba(255,255,255,.9);
  margin-bottom: 20px;
  font-size: .78rem;
  letter-spacing: .1em;
}
.footer-links-group ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-group a {
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-links-group a:hover { color: var(--orange-400); }

.footer-bottom {
  padding-block: 32px;
}
.footer-disclaimer {
  font-size: .78rem;
  color: rgba(255,255,255,.35);
  line-height: 1.7;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  border-left: 3px solid rgba(249,115,22,.4);
}
.footer-disclaimer strong { color: rgba(255,255,255,.5); }
.footer-copy {
  text-align: center;
  font-size: .8rem;
  color: rgba(255,255,255,.3);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: var(--white);
  font-size: .9rem;
  box-shadow: var(--shadow-orange);
  display: flex; align-items: center; justify-content: center;
  z-index: 900;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(249,115,22,.4); }

/* ============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
  :root { --header-h: 64px; }
  .section-pad { padding-block: 80px; }

  .hero-layout { grid-template-columns: 1fr; gap: 48px; padding-block: 100px 80px; }
  .hero-visual { display: none; }
  .hero-stats { display: inline-flex; }

  .treatment-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .why-layout { grid-template-columns: 1fr; gap: 48px; }
  .why-left { position: static; }
  .why-features-grid { grid-template-columns: 1fr 1fr; }
  .brand-inner { grid-template-columns: 1fr; gap: 48px; }
  .brand-stat-1 { bottom: -10px; left: -10px; }
  .brand-stat-2 { top: -10px; right: -10px; }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 48px; }
  .faq-header { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ============================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================ */
@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .section-pad { padding-block: 64px; }
  .container { padding-inline: 20px; }

  /* Header */
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-actions .btn-primary { display: none; }

  /* Hero */
  .hero-layout { padding-block: 90px 70px; gap: 32px; }
  .hero-visual { display: none; }
  .hero-stats { display: inline-flex; flex-wrap: wrap; }
  .trust-badges { gap: 10px; }

  /* Treatment grid */
  .treatment-grid { grid-template-columns: 1fr; }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr; }

  /* Why features */
  .why-features-grid { grid-template-columns: 1fr; }

  /* Brand values */
  .brand-values { grid-template-columns: 1fr; }

  /* Quality */
  .quality-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { grid-column: auto; }
  .footer-tagline { max-width: 100%; }

  /* Final CTA */
  .final-cta-trust { gap: 16px; flex-direction: column; }
  .final-cta-actions { flex-direction: column; }
  .final-cta-actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }

  /* Hero CTA */
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: fit-content; }
}

/* ============================================
   RESPONSIVE — SMALL (≤480px)
   ============================================ */
@media (max-width: 480px) {
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.7rem; }
  .btn-lg { padding: 14px 28px; font-size: .95rem; }
  .btn-xl { padding: 15px 32px; font-size: 1rem; }
  .treatment-card { padding: 28px 24px; }
  .step-card { padding: 28px 22px; }
  .why-feature { flex-direction: column; }
  .brand-image-placeholder { height: 320px; }
  .brand-stat-1, .brand-stat-2 { position: static; margin-top: 12px; }
  .brand-image-wrap { display: flex; flex-direction: column; gap: 12px; }
  .final-cta-section { padding-block: 80px; }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for accessibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
  border-radius: 4px;
}