/* ==========================================================================
   CSS DESIGN SYSTEM - BƯỞI DA XANH VIỆT NAM (BOSCO FOOD)
   Màu sắc chủ đạo: Xanh vỏ bưởi da xanh (#0f522e) + Hồng ruột bưởi mọng nước (#ff7f7f)
   Font chữ: Phudu (Headings), Be Vietnam Pro (Body)
   ========================================================================== */

/* 1. KHAI BÁO BIẾN (VARIABLES) */
:root {
  --color-primary: #0f522e;       /* Xanh vỏ bưởi đậm */
  --color-primary-light: #1c7c47; /* Xanh lá tươi sáng */
  --color-primary-dark: #072e19;  /* Xanh lá tối sâu thẳm */
  
  --color-accent: #e56b6b;        /* Hồng ruột bưởi da xanh */
  --color-accent-light: #ff8e8e;  /* Hồng tép bưởi tươi */
  --color-accent-dark: #b84343;   /* Hồng đỏ sậm */
  
  --color-bg-light: #f7fcf8;      /* Nền sáng ánh xanh dịu mát */
  --color-bg-white: #ffffff;      /* Nền trắng tinh khiết */
  
  --color-text-main: #2b3a32;     /* Màu chữ chính lục xám */
  --color-text-muted: #5e7267;    /* Màu chữ phụ, chú thích */
  --color-text-white: #ffffff;
  
  --font-headings: 'Phudu', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;
  
  --container-width: 1200px;
  --transition-speed: 0.3s;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --box-shadow: 0 10px 30px rgba(15, 82, 46, 0.06);
  --box-shadow-hover: 0 20px 40px rgba(15, 82, 46, 0.12);
}

/* 2. THIẾT LẬP BAN ĐẦU (RESET & GENERALS) */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-speed) ease;
}

ul, ol {
  list-style: none;
}

/* 3. ĐỊNH DẠNG KHUNG & BỐ CỤC (LAYOUT) */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

.bold {
  font-weight: 700;
}

.text-right {
  text-align: right;
}

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

/* TIÊU ĐỀ & CHỮ (TYPOGRAPHY) */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  color: var(--color-primary-dark);
  line-height: 1.3;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-tag--green {
  background-color: rgba(28, 124, 71, 0.1);
  color: var(--color-primary-light);
}

.section-tag--gold {
  background-color: rgba(229, 107, 107, 0.1);
  color: var(--color-accent);
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 20px;
}

.section-title span {
  color: var(--color-primary-light);
}

.section-desc {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto 56px auto;
  text-align: center;
}

/* NÚT BẤM (BUTTONS) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-white);
  box-shadow: 0 4px 15px rgba(229, 107, 107, 0.3);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 107, 107, 0.5);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-text-white);
  border: 2px solid var(--color-text-white);
}

.btn--outline:hover {
  background-color: var(--color-text-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--block {
  display: width;
  width: 100%;
}

/* 4. THANH ĐIỀU HƯỚNG (NAVBAR) */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-speed) ease;
}

#navbar.scrolled {
  background-color: var(--color-bg-white);
  padding: 8px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.nav-logo-icon {
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-text strong {
  font-family: var(--font-headings);
  font-size: 20px;
  color: var(--color-primary);
  line-height: 1;
}

.nav-logo-text span {
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-main);
}

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

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-hamburger span {
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all 0.2s ease;
}

/* MENU DI ĐỘNG (MOBILE MENU) */
#mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--color-bg-white);
  z-index: 1100;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  padding: 40px;
  gap: 24px;
  transition: right 0.4s ease;
}

#mobile-menu.active {
  right: 0;
}

.mobile-close {
  align-self: flex-end;
  background: transparent;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-primary);
  margin-bottom: 24px;
}

#mobile-menu a {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* 5. HERO SECTION */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 80px;
  color: var(--color-text-white);
  background-color: var(--color-primary-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/hero.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  filter: brightness(0.7);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(7, 46, 25, 0.95) 40%, rgba(15, 82, 46, 0.8) 100%);
}

.hero-dots {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 2px, transparent 2px);
  background-size: 20px 20px;
  mask-image: radial-gradient(circle, black, transparent 70%);
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  color: #7bdcb5;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 54px;
  font-weight: 900;
  color: var(--color-text-white);
  margin-bottom: 24px;
}

.hero-title .highlight {
  color: var(--color-accent-light);
  display: block;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 32px;
}

.hero-stat-number {
  font-family: var(--font-headings);
  font-size: 36px;
  font-weight: 900;
  color: var(--color-accent-light);
  line-height: 1.1;
  margin-bottom: 6px;
}

.hero-stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

.hero-card-wrap {
  position: relative;
}

.hero-card {
  background-color: var(--color-bg-white);
  color: var(--color-text-main);
  padding: 24px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.hero-card-title {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 14px;
  margin-bottom: 16px;
}

.hero-card-img {
  width: 100%;
  border-radius: var(--border-radius-sm);
  margin-bottom: 20px;
  object-fit: cover;
  height: 220px;
}

.hero-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-main);
}

.hero-feature::before {
  content: "✓";
  color: var(--color-primary-light);
  font-weight: 900;
}

/* 6. TRUST BAR */
#trust-bar {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.9);
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 20px;
}

.trust-item {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 7. GIỚI THIỆU (ABOUT SECTION) */
#about {
  background-color: var(--color-bg-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}

.about-img-main {
  width: 100%;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.about-img-accent {
  position: absolute;
  width: 50%;
  border-radius: var(--border-radius-md);
  bottom: -40px;
  right: -30px;
  border: 8px solid var(--color-bg-white);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.about-badge-wrap {
  position: absolute;
  top: -20px;
  left: -20px;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 8px 25px rgba(15, 82, 46, 0.3);
}

.about-badge-year {
  font-size: 16px;
  font-weight: 900;
  font-family: var(--font-headings);
  line-height: 1.1;
}

.about-badge-text {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-lead {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: 24px;
}

.about-text {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.about-features {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-feature {
  display: flex;
  gap: 16px;
}

.about-feature-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.about-feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.about-feature-text {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* 8. ĐẶC ĐIỂM (FEATURES SECTION) */
#features {
  background-color: var(--color-bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background-color: var(--color-bg-white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: all var(--transition-speed) ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-hover);
}

.feature-img-box {
  height: 220px;
  overflow: hidden;
}

.feature-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-speed) ease;
}

.feature-card:hover .feature-img-box img {
  transform: scale(1.05);
}

.feature-content {
  padding: 24px;
}

.feature-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.feature-content p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 9. GIÁ TRỊ DINH DƯỠNG (NUTRITION) */
#nutrition {
  background-color: var(--color-bg-white);
}

.nutrition-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.nutrition-text {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.nutrition-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.nutrition-card {
  background-color: var(--color-bg-light);
  padding: 24px;
  border-radius: var(--border-radius-sm);
  border-left: 4px solid var(--color-primary-light);
}

.nutrition-icon {
  font-size: 28px;
  display: block;
  margin-bottom: 12px;
}

.nutrition-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.nutrition-card p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.nutrition-fact-card {
  background-color: var(--color-bg-light);
  padding: 32px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
  border: 1px solid rgba(15, 82, 46, 0.08);
}

.nutrition-fact-card h3 {
  font-size: 18px;
  margin-bottom: 24px;
  text-align: center;
  border-bottom: 2px solid var(--color-primary-light);
  padding-bottom: 12px;
}

.nutrition-table {
  width: 100%;
  border-collapse: collapse;
}

.nutrition-table td {
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 15px;
}

.nutrition-table tr:last-child td {
  border-bottom: none;
}

.nutrition-note {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 20px;
  font-style: italic;
  text-align: center;
}

/* 10. QUY TRÌNH (PROCESS SECTION) */
#process {
  background-color: var(--color-bg-light);
}

.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 32px;
  background-color: var(--color-bg-white);
  padding: 32px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
  transition: all var(--transition-speed) ease;
}

.process-step:hover {
  transform: translateX(8px);
}

.process-step-num {
  font-family: var(--font-headings);
  font-size: 40px;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.process-step-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}

.process-step-content p {
  font-size: 15px;
  color: var(--color-text-muted);
}

/* 11. CAM KẾT (COMMITMENT SECTION) */
#commitment {
  background-color: var(--color-bg-white);
}

.commitment-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.commitment-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.commitment-list li {
  position: relative;
  padding-left: 28px;
  font-size: 16px;
  color: var(--color-text-muted);
}

.commitment-list li strong {
  color: var(--color-primary-dark);
}

.commitment-list li::before {
  content: "✨";
  position: absolute;
  left: 0;
  top: 0;
}

.commitment-image-wrap {
  position: relative;
}

.commitment-image-wrap img {
  width: 100%;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.commitment-overlay-box {
  position: absolute;
  bottom: -20px;
  left: 20px;
  right: 20px;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  padding: 24px;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.commitment-overlay-box h4 {
  color: var(--color-accent-light);
  font-size: 16px;
  margin-bottom: 8px;
}

.commitment-overlay-box p {
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.9;
}

/* 12. NĂNG LỰC CUNG ỨNG (WHY CHOOSE) */
#why-choose {
  background-color: var(--color-bg-light);
}

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

.why-card {
  background-color: var(--color-bg-white);
  padding: 32px 24px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: all var(--transition-speed) ease;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--box-shadow-hover);
}

.why-icon {
  font-size: 40px;
  margin-bottom: 20px;
  display: inline-block;
}

.why-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.why-card p {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* 13. HỎI ĐÁP (FAQ SECTION) */
#faq {
  background-color: var(--color-bg-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  border: 1px solid rgba(15, 82, 46, 0.06);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-align: left;
}

.faq-toggle {
  font-size: 24px;
  color: var(--color-primary-light);
  line-height: 1;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-answer p {
  padding-bottom: 24px;
  font-size: 15px;
  color: var(--color-text-muted);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

/* 14. FORM LIÊN HỆ (CONTACT SECTION) */
#contact {
  background-color: var(--color-primary-dark);
  color: var(--color-text-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.contact-text {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
}

.contact-info-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.contact-info-item div {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.contact-info-item strong {
  font-size: 16px;
  color: var(--color-text-white);
}

.contact-info-item a:hover {
  color: var(--color-accent-light);
}

.contact-form {
  background-color: var(--color-bg-white);
  padding: 40px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  color: var(--color-text-main);
}

.contact-form h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.contact-form p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.form-group input, 
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  transition: all var(--transition-speed) ease;
}

.form-group input:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(28, 124, 71, 0.15);
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.form-status.success {
  color: var(--color-primary-light);
}

.form-status.error {
  color: var(--color-accent-dark);
}

/* 15. FOOTER */
#footer {
  background-color: #072514;
  color: rgba(255, 255, 255, 0.85);
  padding: 80px 0 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-col h4 {
  color: var(--color-text-white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-logo span {
  font-family: var(--font-headings);
  font-size: 22px;
  color: var(--color-text-white);
  font-weight: 900;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 12px;
}

.footer-brand-tax {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-col ul a:hover {
  color: var(--color-accent-light);
}

.footer-socials {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.footer-socials a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-socials a:hover {
  color: var(--color-accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 32px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ==========================================================================
   16. THIẾT KẾ ĐÁP ỨNG (RESPONSIVE MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 44px;
  }
  .about-grid, .commitment-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-img-accent {
    bottom: -20px;
    right: -10px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }
  .nav-links, .nav-cta {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  .features-grid, .nutrition-inner, .nutrition-grid, .why-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 36px;
  }
  .section-title {
    font-size: 30px;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .contact-form {
    padding: 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}