/* ==========================================================================
   VETCH NUTRITION - CLEAN, BRIGHT DESIGN (100% RESPONSIVE & OVERFLOW SAFE)
   Version: 2.0
   ========================================================================== */

:root {
  --primary: #059669;
  --primary-dark: #047857;
  --primary-light: #10b981;
  --primary-soft: #ecfdf5;
  --accent: #d97706;
  --bg-body: #f8fafc;
  --surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border: #e2e8f0;
  --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 20px 35px -8px rgba(5, 150, 105, 0.15);
  --radius: 16px;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Strict Viewport Protection */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden !important;
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-body);
}

body {
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 400px, #f8fafc 100%);
  line-height: 1.6;
}

h1, h2, h3, h4, .brand-title {
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

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

.container {
  width: 92%;
  max-width: 1240px;
  margin: 0 auto;
}

/* Scrolling Marquee Top Banner */
.top-strip {
  background: #ecfdf5;
  border-bottom: 1px solid #d1fae5;
  padding: 9px 0;
  font-size: 0.82rem;
  color: #065f46;
  font-weight: 700;
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
}

.marquee-track {
  display: inline-flex;
  gap: 50px;
  animation: marqueeScroll 28s linear infinite;
  will-change: transform;
}

.top-strip:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Navigation Header */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  width: 100%;
}

.site-nav.scrolled {
  box-shadow: var(--shadow-subtle);
  padding: 2px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1002;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.25);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  color: var(--primary-dark);
  font-weight: 800;
  line-height: 1;
}

.brand-motto {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--accent);
  font-weight: 800;
}

/* Desktop Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-dark);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* 3-Line Mobile Hamburger Menu Trigger */
.mobile-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  background: var(--primary-soft);
  border: 1px solid #d1fae5;
  border-radius: 10px;
  cursor: pointer;
  gap: 5px;
  z-index: 1002;
  transition: var(--transition);
}

.mobile-hamburger span {
  display: block;
  width: 22px;
  height: 2.5px;
  background-color: var(--primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-hamburger.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.mobile-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}
.mobile-hamburger.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Reusable Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: 50px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  box-sizing: border-box;
}

.btn-nav {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(5, 150, 105, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(5, 150, 105, 0.35);
}

.btn-white {
  background: #ffffff;
  color: var(--primary-dark);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
}

/* Hero Carousel */
.hero-slider-wrap {
  position: relative;
  height: 600px;
  overflow: hidden;
  background: #f1f5f9;
  width: 100%;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.05);
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 5s ease-out;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.slide-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.88) 45%, rgba(255, 255, 255, 0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 5;
  max-width: 660px;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #ffffff;
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  border: 1px solid #d1fae5;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 3rem;
  color: #0f172a;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.55;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  z-index: 10;
}

.slider-nav.prev { left: 24px; }
.slider-nav.next { right: 24px; }

.slider-pagination {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 32px;
  height: 6px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.15);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: var(--primary);
  width: 50px;
}

/* Trust Bar */
.trust-strip {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  width: 100%;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #d1fae5;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.trust-item h4 { font-size: 0.98rem; margin-bottom: 2px; }
.trust-item p { font-size: 0.78rem; color: var(--text-muted); }

/* Section Headings */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.tag-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: #d1fae5;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 10px;
}

.main-title {
  font-size: 2.3rem;
  color: var(--text-main);
  margin-bottom: 10px;
}

.sub-title {
  font-size: 1rem;
  color: var(--text-muted);
}

/* About Section */
.about-sec { padding: 90px 0; background: #ffffff; width: 100%; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.img-gallery { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
.gallery-col { display: flex; flex-direction: column; gap: 16px; }
.photo-card { border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-subtle); border: 3px solid #ffffff; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; }
.photo-card.tall { height: 420px; }
.photo-card.short { height: 202px; }

.about-points { display: flex; flex-direction: column; gap: 14px; margin: 24px 0; }
.abt-box { display: flex; gap: 14px; padding: 14px 18px; background: #f8fafc; border-radius: 12px; border: 1px solid var(--border); }
.abt-icon { font-size: 1.3rem; color: var(--primary); margin-top: 2px; flex-shrink: 0; }
.abt-box h5 { font-size: 0.98rem; margin-bottom: 2px; }
.abt-box p { font-size: 0.82rem; color: var(--text-muted); }

/* Products Section */
.products-sec { padding: 90px 0; background: #f8fafc; width: 100%; }
.filter-pills { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-pill { padding: 8px 20px; background: #ffffff; border: 1px solid var(--border); border-radius: 50px; font-size: 0.88rem; font-weight: 700; color: var(--text-muted); cursor: pointer; transition: var(--transition); }
.filter-pill.active { background: var(--primary-dark); color: #ffffff; border-color: var(--primary-dark); }

.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 26px; }
.prod-card { background: #ffffff; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-subtle); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); }
.prod-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: #a7f3d0; }
.prod-thumb { height: 200px; position: relative; overflow: hidden; }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-tag { position: absolute; top: 12px; left: 12px; background: #ffffff; color: var(--primary-dark); font-size: 0.72rem; font-weight: 800; padding: 4px 12px; border-radius: 50px; box-shadow: 0 2px 6px rgba(0,0,0,0.08); z-index: 2; }
.video-launch-btn { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.35); border: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #ffffff; opacity: 0; transition: var(--transition); z-index: 3; }
.prod-card:hover .video-launch-btn { opacity: 1; }
.video-launch-btn i { font-size: 2.6rem; color: #ffffff; }
.video-launch-btn span { background: rgba(0, 0, 0, 0.6); padding: 4px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 700; }
.prod-body { padding: 22px; display: flex; flex-direction: column; flex-grow: 1; }
.prod-pack { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 600; }
.prod-name { font-size: 1.25rem; margin-bottom: 8px; }
.prod-summary { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.45; }
.feature-bullets { list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: 0.82rem; margin-bottom: 18px; }
.feature-bullets li { display: flex; align-items: flex-start; gap: 8px; color: #334155; }
.feature-bullets li i { color: var(--primary); margin-top: 3px; font-size: 0.75rem; flex-shrink: 0; }
.prod-action { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.dose-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; }
.btn-detail { background: var(--primary-soft); color: var(--primary-dark); border: 1px solid #d1fae5; padding: 7px 16px; border-radius: 8px; font-size: 0.85rem; font-weight: 700; cursor: pointer; }

/* Calculator */
.calc-sec { padding: 80px 0; background: #ffffff; width: 100%; }
.calc-box { background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%); border: 1px solid #a7f3d0; border-radius: 20px; padding: 40px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; box-shadow: var(--shadow-subtle); align-items: center; }
.form-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.input-wrap { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; width: 100%; }
.input-wrap label { font-size: 0.85rem; font-weight: 700; color: var(--text-main); }
.input-wrap select, .input-wrap input { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; background: #ffffff; font-family: inherit; font-size: 0.92rem; outline: none; }
.results-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.result-card { background: #ffffff; padding: 16px; border-radius: 10px; border: 1px solid var(--border); text-align: center; }
.result-card.highlight { background: #ecfdf5; border-color: #6ee7b7; }
.result-card .lbl { display: block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.result-card .val { font-size: 1.2rem; font-weight: 800; color: var(--primary-dark); }

/* Team & Reviews */
.team-sec { padding: 90px 0; background: #f8fafc; width: 100%; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.member-box { background: #ffffff; border-radius: 14px; border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-subtle); }
.member-photo { height: 230px; overflow: hidden; }
.member-photo img { width: 100%; height: 100%; object-fit: cover; }
.member-desc { padding: 20px; text-align: center; }
.member-desc h4 { font-size: 1.1rem; margin-bottom: 2px; }
.member-desc .role { font-size: 0.78rem; font-weight: 700; color: var(--primary); display: block; margin-bottom: 8px; }
.member-desc p { font-size: 0.82rem; color: var(--text-muted); }

.testi-sec { padding: 90px 0; background: #ffffff; width: 100%; }
.testi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.testi-card { background: #f8fafc; border-radius: 14px; border: 1px solid var(--border); padding: 28px; }
.testi-card .stars { color: #f59e0b; margin-bottom: 12px; font-size: 0.85rem; }
.testi-card .quote { font-size: 0.92rem; color: #334155; font-style: italic; margin-bottom: 18px; }
.testi-user { display: flex; align-items: center; gap: 12px; }
.user-avatar { width: 42px; height: 42px; border-radius: 50%; background: #d1fae5; color: var(--primary-dark); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.9rem; flex-shrink: 0; }
.user-meta strong { display: block; font-size: 0.9rem; }
.user-meta span { font-size: 0.75rem; color: var(--text-muted); }

/* ==========================================================================
   CONTACT SECTION (FIXED FOR MOBILE FRAME CONFINEMENT)
   ========================================================================== */
.contact-sec {
  padding: 90px 0;
  background: #f8fafc;
  width: 100%;
  overflow: hidden;
}

.contact-card {
  background: #ffffff;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  overflow: hidden;
  width: 100%;
}

.contact-info {
  background: linear-gradient(135deg, #059669, #047857);
  color: #ffffff;
  padding: 45px;
  word-break: break-word;
}

.contact-info h2 {
  color: #ffffff;
  font-size: 2rem;
  margin-bottom: 10px;
}

.contact-info p {
  color: #d1fae5;
  font-size: 0.92rem;
  margin-bottom: 30px;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.info-row i {
  font-size: 1.2rem;
  color: #6ee7b7;
  margin-top: 3px;
  flex-shrink: 0;
}

.info-row strong {
  display: block;
  font-size: 0.92rem;
}

.info-row span {
  font-size: 0.85rem;
  color: #f0fdf4;
  word-break: break-word;
}

.contact-form {
  padding: 45px;
  width: 100%;
  box-sizing: border-box;
}

.contact-form h3 {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.contact-form p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 13px;
  font-size: 1rem;
}

.form-msg-box {
  margin-top: 10px;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
}

/* Footer */
.site-footer { background: #ffffff; border-top: 1px solid var(--border); padding: 60px 0 0; width: 100%; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-col h4 { font-size: 1.05rem; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; font-size: 0.82rem; color: var(--text-muted); display: flex; justify-content: space-between; align-items: center; }

/* Safe Vertical Scroll Animations */
.anim-slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.anim-slide-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

.anim-item {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.revealed .anim-item {
  opacity: 1;
  transform: translateY(0);
}

.revealed .anim-item:nth-child(1) { transition-delay: 0.08s; }
.revealed .anim-item:nth-child(2) { transition-delay: 0.16s; }
.revealed .anim-item:nth-child(3) { transition-delay: 0.24s; }

/* Modal & Bio Simulation Player */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(6px); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.modal-backdrop.active { opacity: 1; visibility: visible; }
.modal-card { background: #ffffff; border-radius: 20px; max-width: 980px; width: 100%; max-height: 90vh; overflow-y: auto; position: relative; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2); }
.close-modal { position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%; border: none; background: #f1f5f9; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; z-index: 20; }
.modal-split { display: grid; grid-template-columns: 1fr 1fr; }
.modal-video-box { background: #f8fafc; padding: 30px; border-right: 1px solid var(--border); }
.canvas-wrap { position: relative; border-radius: 12px; overflow: hidden; background: #0f172a; }
#bioCanvas { width: 100%; height: auto; display: block; }
.canvas-ctrls { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0, 0, 0, 0.8)); padding: 8px 12px; display: flex; align-items: center; gap: 10px; color: #ffffff; }
.ctrl-play-btn { background: none; border: none; color: #ffffff; font-size: 1rem; cursor: pointer; }
.ctrl-bar { flex-grow: 1; height: 4px; background: rgba(255, 255, 255, 0.3); border-radius: 2px; overflow: hidden; }
.ctrl-fill { width: 25%; height: 100%; background: #10b981; }
.canvas-caption { margin-top: 12px; font-size: 0.82rem; color: var(--text-muted); display: flex; gap: 8px; align-items: flex-start; }
.modal-text-box { padding: 35px; display: flex; flex-direction: column; gap: 16px; }
.m-tag { font-size: 0.72rem; font-weight: 800; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; }
.m-title { font-size: 1.6rem; margin: 2px 0 6px; }
.m-comp { background: #f8fafc; padding: 12px; border-radius: 8px; font-size: 0.82rem; border: 1px solid var(--border); }
.m-list { list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: 0.84rem; color: #334155; }
.m-list li::before { content: '✓'; color: var(--primary); font-weight: 800; margin-right: 6px; }
.m-dose { background: #ecfdf5; padding: 12px; border-radius: 8px; font-size: 0.82rem; color: #065f46; border: 1px dashed #6ee7b7; }

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE FIXES (PREVENTS OUT-OF-FRAME SKEWING)
   ========================================================================== */
@media (max-width: 900px) {
  .hero-slider-wrap { height: 480px; }
  .hero-title { font-size: 2.1rem; }
  .hero-desc { font-size: 0.95rem; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .calc-box { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
  .form-pair { grid-template-columns: 1fr; gap: 0; }
  .results-row { grid-template-columns: 1fr; gap: 8px; }
  .contact-card { grid-template-columns: 1fr; }
  .contact-info { padding: 30px 20px; }
  .contact-form { padding: 30px 20px; }
  .modal-split { grid-template-columns: 1fr; }
  .modal-video-box { border-right: none; border-bottom: 1px solid var(--border); padding: 20px; }
  .modal-text-box { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }

  /* 3-Line Hamburger Menu Drawer */
  .mobile-hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 95px 28px 40px;
    gap: 16px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001;
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    font-size: 1.05rem;
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9;
  }

  .btn-nav {
    width: 100%;
    text-align: center;
    justify-content: center;
    margin-top: 10px;
  }
}

@media (max-width: 540px) {
  .trust-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.85rem; }
  .brand-title { font-size: 1.15rem; }
}