/* ===================================================
   SHARK VACUUM — Premium Affiliate Website
   Design System & Global Styles
   =================================================== */

/* ----- Google Fonts ----- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ----- CSS Custom Properties (Design Tokens) ----- */
:root {
    /* Primary palette — deep ocean / shark-inspired */
    --color-primary-900: #060d18;
    --color-primary-800: #0a1628;
    --color-primary-700: #0f2038;
    --color-primary-600: #142c4a;
    --color-primary-500: #1a3a5c;
    --color-primary-400: #2a5080;
    --color-primary-300: #3a6ba5;

    /* Cyan / teal accents — clean water vibes */
    --color-accent-500: #00b8d4;
    --color-accent-400: #00d4f5;
    --color-accent-300: #4de8ff;
    --color-accent-200: #a0f0ff;
    --color-accent-100: #d5f8ff;

    /* Warm CTA — energy orange */
    --color-cta-600: #e65100;
    --color-cta-500: #ff6d00;
    --color-cta-400: #ff9100;
    --color-cta-300: #ffab40;

    /* Neutrals */
    --color-neutral-50: #f7f9fc;
    --color-neutral-100: #eef2f7;
    --color-neutral-200: #dce3ed;
    --color-neutral-300: #b8c4d4;
    --color-neutral-400: #8d9cb2;
    --color-neutral-500: #64748b;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1e293b;
    --color-neutral-900: #0f172a;

    /* Semantic */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-star: #fbbf24;

    /* Surfaces */
    --surface-primary: #ffffff;
    --surface-secondary: var(--color-neutral-50);
    --surface-dark: var(--color-primary-800);
    --surface-glass: rgba(255, 255, 255, 0.08);
    --surface-glass-light: rgba(255, 255, 255, 0.85);

    /* Text */
    --text-primary: var(--color-neutral-900);
    --text-secondary: var(--color-neutral-600);
    --text-tertiary: var(--color-neutral-400);
    --text-inverse: #ffffff;
    --text-accent: var(--color-accent-500);
    --text-link: var(--color-primary-400);

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 184, 212, 0.15);
    --shadow-cta: 0 8px 24px rgba(255, 109, 0, 0.3);

    /* Transitions — Enabled for premium feel */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-spring: 500ms cubic-bezier(0.43, 0.13, 0.23, 0.96);

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 900px;
    --header-height: 72px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--surface-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

/* ----- Container ----- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* ===================================================
   HEADER
   =================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header__logo-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-primary-800) 0%, var(--color-accent-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity var(--transition-fast);
}

.header__logo:hover .header__logo-text {
    opacity: 0.8;
}

/* Navigation */
.header__nav {
    display: flex;
    align-items: center;
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header__nav-link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-5);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.header__nav-link:hover,
.header__nav-link.active {
    color: var(--color-accent-500);
    background: var(--color-accent-100);
}

.header__nav-link.active {
    font-weight: 600;
}

/* Mobile Menu Toggle */
.header__menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.header__menu-toggle:hover {
    background: var(--color-neutral-100);
}

.header__menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-primary-800);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.header__menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-20);
    background: linear-gradient(160deg, var(--color-primary-900) 0%, var(--color-primary-700) 40%, var(--color-primary-500) 100%);
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 160%;
    background: radial-gradient(ellipse, rgba(0, 184, 212, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(0, 212, 245, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}



.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--surface-glass);
    border: 1px solid rgba(0, 184, 212, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent-300);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent-400);
    border-radius: 50%;
    /* Animation disabled */
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--text-inverse);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
}

.hero__title-accent {
    background: linear-gradient(135deg, var(--color-accent-400) 0%, var(--color-accent-200) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--space-8);
    max-width: 520px;
}

.hero__cta-group {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: var(--space-10);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
    text-align: left;
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-inverse);
    margin-bottom: var(--space-1);
}

.hero__stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
    /* Animation disabled */
}

.hero__image img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-2xl);
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
}

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-8);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    text-decoration: none;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-cta-500) 0%, var(--color-cta-400) 100%);
    color: #ffffff;
    box-shadow: var(--shadow-cta);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 109, 0, 0.4);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: var(--surface-glass);
    color: var(--text-inverse);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--color-accent-500);
    border: 2px solid var(--color-accent-500);
}

.btn--outline:hover {
    background: var(--color-accent-500);
    color: #fff;
}

.btn--lg {
    padding: var(--space-4) var(--space-10);
    font-size: 1.05rem;
}

.btn-icon {
    font-size: 1.1em;
}

/* ===================================================
   SECTION UTILITIES
   =================================================== */
.section {
    padding: var(--space-24) 0;
}

.section--gray {
    background: var(--surface-secondary);
}

.section--dark {
    background: linear-gradient(160deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
    color: var(--text-inverse);
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section__overline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-500);
    margin-bottom: var(--space-4);
}

.section__overline::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--color-accent-500);
    border-radius: 2px;
}

.section__title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.section__subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section--dark .section__subtitle {
    color: rgba(255, 255, 255, 0.65);
}

/* ===================================================
   WHY SHARK SECTION (Features Grid)
   =================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.feature-card {
    background: var(--surface-primary);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-500), var(--color-accent-300));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-100), var(--color-accent-200));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    font-size: 1.5rem;
}

.feature-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.feature-card__text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===================================================
   TOP MODELS SECTION
   =================================================== */
.models-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.model-card {
    background: var(--surface-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-neutral-200);
}

.model-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
}

.model-card__badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: linear-gradient(135deg, var(--color-cta-500), var(--color-cta-400));
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.model-card__image {
    position: relative;
    height: 220px;
    background: var(--color-neutral-50);
    overflow: hidden;
}

.model-card__product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.model-card:hover .model-card__product-image {
    transform: scale(1.05);
}

.model-card__body {
    padding: var(--space-6);
}

.model-card__category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-500);
    margin-bottom: var(--space-2);
}

.model-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.model-card__description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.65;
}

.model-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.model-card__feature-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-neutral-100);
    color: var(--color-neutral-700);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.model-card__rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.model-card__stars {
    color: var(--color-star);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.model-card__rating-text {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.model-card__cta {
    width: 100%;
}

/* ===================================================
   BUYING GUIDE SECTION
   =================================================== */
.guide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.guide-content--reverse {
    direction: rtl;
}

.guide-content--reverse>* {
    direction: ltr;
}

.guide__text-block {
    max-width: 520px;
}

.guide__text-block h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.guide__text-block p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.guide__checklist {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.guide__checklist-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.guide__checklist-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-100);
    color: var(--color-accent-500);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 2px;
}

.guide__image-block {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.guide__image-block img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================================
   COMPARISON TABLE SECTION
   =================================================== */
.comparison-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-neutral-200);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table thead {
    background: var(--color-primary-800);
    color: var(--text-inverse);
}

.comparison-table th {
    padding: var(--space-4) var(--space-6);
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.comparison-table td {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-neutral-100);
    color: var(--text-secondary);
    white-space: nowrap;
}

.comparison-table tbody tr {
    transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
    background: var(--color-accent-100);
}

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

.table-highlight {
    background: var(--color-accent-100);
    font-weight: 600;
    color: var(--color-primary-800);
}

.table-check {
    color: var(--color-success);
    font-weight: 700;
}

/* ===================================================
   FAQ SECTION
   =================================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: var(--surface-primary);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-accent-300);
}

.faq-item.active {
    border-color: var(--color-accent-500);
    box-shadow: var(--shadow-glow);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) var(--space-6);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    gap: var(--space-4);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent-500);
}

.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-neutral-100);
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.faq-item.active .faq-icon {
    background: var(--color-accent-500);
    color: #fff;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer__inner {
    padding: 0 var(--space-6) var(--space-6);
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================================
   CTA BANNER
   =================================================== */
.cta-banner {
    position: relative;
    padding: var(--space-20) 0;
    background: linear-gradient(160deg, var(--color-primary-900) 0%, var(--color-primary-600) 100%);
    text-align: center;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 184, 212, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner__title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 2;
}

.cta-banner__text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--space-8);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
    background: var(--color-primary-900);
    color: var(--text-inverse);
    padding: var(--space-16) 0 0;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
}

.footer__brand-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, #fff 0%, var(--color-accent-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__brand-text {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
    margin-bottom: var(--space-6);
    max-width: 320px;
}

.footer__heading {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-5);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__link {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.footer__link:hover {
    color: var(--color-accent-400);
    transform: translateX(4px);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--space-6) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer__copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer__disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.25);
    max-width: 500px;
    text-align: right;
    line-height: 1.6;
}

/* ===================================================
   ANIMATIONS
   =================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* Scroll-triggered animations — Disabled as requested */
.animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: none;
}

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-10);
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__cta-group {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__image {
        order: -1;
    }

    .hero__image img {
        max-width: 100%;
        width: auto;
        height: auto;
    }

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

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

    .guide-content {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .guide-content--reverse {
        direction: ltr;
    }

    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .section {
        padding: var(--space-16) 0;
    }

    .header__menu-toggle {
        display: flex;
    }

    .header__nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-6);
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition-normal);
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        box-shadow: var(--shadow-lg);
    }

    .header__nav.open {
        transform: translateY(0);
        opacity: 1;
    }

    .header__nav-list {
        flex-direction: column;
        gap: var(--space-2);
    }

    .header__nav-link {
        width: 100%;
        justify-content: center;
        padding: var(--space-3) var(--space-5);
        font-size: 1rem;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-16));
        padding-bottom: var(--space-24);
    }

    .hero__title {
        font-size: clamp(1.6rem, 8vw, 2.5rem);
        word-wrap: break-word;
    }

    .hero__stats {
        gap: var(--space-6);
        flex-wrap: wrap;
    }

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

    .models-grid {
        grid-template-columns: 1fr;
    }

    .footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer__disclaimer {
        text-align: center;
        max-width: 100%;
    }

    .comparison-table {
        display: block;
        width: 100%;
    }

    .comparison-table thead,
    .comparison-table tbody,
    .comparison-table th,
    .comparison-table td,
    .comparison-table tr {
        display: block;
    }

    .comparison-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    .comparison-table tr {
        border: 1px solid var(--color-neutral-200);
        margin-bottom: var(--space-6);
        border-radius: var(--radius-xl);
        background: var(--surface-primary);
        padding: var(--space-2);
    }

    .comparison-table td {
        border: none;
        border-bottom: 1px solid var(--color-neutral-100);
        position: relative;
        padding: var(--space-4) !important;
        white-space: normal;
        text-align: left;
        display: block;
        width: 100%;
    }

    .comparison-table td:last-child {
        border-bottom: 0;
    }

    .comparison-table td::before {
        content: attr(data-label);
        display: block;
        margin-bottom: var(--space-1);
        font-weight: 800;
        color: var(--color-primary-400);
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .table-highlight {
        background: var(--color-accent-100);
        border-radius: var(--radius-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero__cta-group {
        flex-direction: column;
        align-items: center;
    }

    .hero__cta-group .btn {
        width: 100%;
    }

    .hero__stat-number {
        font-size: 1.3rem;
    }

    .section__header {
        margin-bottom: var(--space-10);
    }

    .header__logo-text {
        font-size: 1.25rem;
    }

    .hero__stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        width: 100%;
        gap: var(--space-4);
    }

    .hero__stat:last-child {
        grid-column: span 2;
        text-align: center;
    }

    .cta-banner,
    .page-hero,
    .hero,
    .section,
    main {
        overflow-x: hidden;
        width: 100%;
    }

    /* Text & Layout Hardening */
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    p,
    li,
    a,
    span {
        overflow-wrap: break-word;
        word-wrap: break-word;
    }

    .features-grid>*,
    .models-grid>*,
    .hero__stats>*,
    .footer__inner>* {
        min-width: 0;
    }
}

/* Global Overflow Fix */
html,
body {
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
    width: 100%;
}

.section,
section {
    overflow: hidden;
    width: 100%;
}

/* ===================================================
   PAGE HERO BANNER (Inner Pages)
   =================================================== */
.page-hero {
    position: relative;
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(160deg, var(--color-primary-900) 0%, var(--color-primary-700) 40%, var(--color-primary-500) 100%);
    text-align: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 60%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(0, 184, 212, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero__title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    position: relative;
    z-index: 2;
}

.page-hero__subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
    z-index: 2;
}

.page-hero__breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 2;
}

.page-hero__breadcrumb a {
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition-fast);
}

.page-hero__breadcrumb a:hover {
    color: var(--color-accent-400);
}

.page-hero__breadcrumb-sep {
    font-size: 0.7rem;
    opacity: 0.5;
}

/* ===================================================
   LEGAL / PROSE CONTENT
   =================================================== */
.legal-content {
    max-width: 820px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-accent-100);
}

.legal-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.legal-content p {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.legal-content ul,
.legal-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.legal-content ul {
    list-style: disc;
}

.legal-content ol {
    list-style: decimal;
}

.legal-content li {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.legal-content a {
    color: var(--color-accent-500);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.legal-content a:hover {
    color: var(--color-primary-400);
}

.legal-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.legal-content .last-updated {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-accent-500);
    background: var(--color-accent-100);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-8);
}

/* ===================================================
   CONTACT FORM
   =================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-12);
    align-items: flex-start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-info__card {
    background: var(--surface-primary);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    transition: all var(--transition-normal);
}

.contact-info__card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent-200);
}

.contact-info__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-100), var(--color-accent-200));
    border-radius: var(--radius-lg);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-info__label {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.contact-info__value {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-info__value a {
    color: var(--color-accent-500);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.contact-form-wrapper {
    background: var(--surface-primary);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.contact-form-wrapper .form-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-group label .required {
    color: var(--color-cta-500);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--text-primary);
    background: var(--color-neutral-50);
    border: 1.5px solid var(--color-neutral-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-accent-500);
    background: var(--surface-primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 212, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.form-submit {
    margin-top: var(--space-4);
}

.form-submit .btn {
    width: 100%;
    padding: var(--space-4) var(--space-8);
}

.form-success {
    display: none;
    padding: var(--space-6);
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    text-align: center;
}

.form-success.show {
    display: block;
}

.form-success__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
}

.form-success__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: var(--space-2);
}

.form-success__text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ===================================================
   INFO CARDS (About, Help pages)
   =================================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.info-card {
    background: var(--surface-primary);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.info-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-100), var(--color-accent-200));
    border-radius: var(--radius-xl);
    font-size: 1.8rem;
    margin: 0 auto var(--space-5);
}

.info-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.info-card__text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* About page prose */
.about-prose {
    max-width: 820px;
    margin: 0 auto;
}

.about-prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.about-prose p {
    font-size: 0.98rem;
    line-height: 1.85;
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

.about-prose strong {
    color: var(--text-primary);
}

/* Help page steps */
.help-steps {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    counter-reset: step;
}

.help-step {
    display: flex;
    gap: var(--space-5);
    background: var(--surface-primary);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    counter-increment: step;
}

.help-step:hover {
    border-color: var(--color-accent-300);
    box-shadow: var(--shadow-md);
}

.help-step__number {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-600));
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    border-radius: 50%;
    flex-shrink: 0;
}

.help-step__content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.help-step__content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===================================================
   INNER PAGE RESPONSIVE
   =================================================== */
@media (max-width: 768px) {
    .page-hero {
        padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: var(--space-6);
    }

    .help-step {
        flex-direction: column;
        align-items: flex-start;
    }
}