/* =========================================
   SERRAMENTI LOMBARDIA - Landing Page
   Design System & Styles
   ========================================= */

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

:root {
    /* Brand Colors (from logo) */
    --color-primary: #1E88C7;
    --color-primary-dark: #1668A0;
    --color-primary-light: #4BA8DD;
    --color-primary-soft: #E8F4FB;

    --color-navy: #1A365D;
    --color-navy-dark: #102542;
    --color-navy-light: #2A4A75;

    /* Accent */
    --color-accent: #FFB800;
    --color-accent-dark: #E5A600;
    --color-success: #22C55E;
    --color-danger: #EF4444;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-off-white: #F8FBFD;
    --color-gray-50: #F5F9FC;
    --color-gray-100: #EEF2F6;
    --color-gray-200: #E1E7ED;
    --color-gray-300: #C8D2DB;
    --color-gray-500: #6B7A87;
    --color-gray-700: #3A4756;
    --color-gray-900: #1A2332;

    /* Typography */
    --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Poppins', sans-serif;

    /* Spacing */
    --container-max: 1240px;
    --section-py: clamp(60px, 8vw, 110px);

    /* Effects */
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-sm: 0 2px 8px rgba(26, 54, 93, 0.06);
    --shadow: 0 8px 24px rgba(26, 54, 93, 0.10);
    --shadow-lg: 0 20px 50px rgba(26, 54, 93, 0.15);
    --shadow-xl: 0 30px 80px rgba(26, 54, 93, 0.20);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.15rem; }

p { color: var(--color-gray-700); }

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

section {
    padding: var(--section-py) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 60px;
}

.section-header .eyebrow {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 14px;
}

.section-header p {
    font-size: 1.1rem;
    margin-top: 16px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(30, 136, 199, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(30, 136, 199, 0.45);
    color: white;
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-navy);
    box-shadow: 0 8px 20px rgba(255, 184, 0, 0.35);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 184, 0, 0.50);
    color: var(--color-navy);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-white {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 20px 40px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* ---------- Announcement Bar ---------- */
.announcement-bar {
    background: linear-gradient(90deg, var(--color-accent-dark) 0%, var(--color-accent) 50%, var(--color-accent-dark) 100%);
    color: var(--color-navy);
    padding: 10px 0;
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.announcement-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.announcement-bar .pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-danger);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    box-shadow: 0 2px 12px rgba(26, 54, 93, 0.06);
    transition: all var(--transition);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo img {
    height: 56px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    color: var(--color-navy);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.main-nav a:hover::after {
    width: 100%;
}

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

.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-navy);
    font-weight: 700;
    font-size: 1.05rem;
}

.header-phone .phone-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    animation: ring 3s infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0); }
    5%, 15% { transform: rotate(-15deg); }
    10%, 20% { transform: rotate(15deg); }
}

.hamburger {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-navy);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 60px 0 80px;
    overflow: hidden;
    isolation: isolate;
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-primary-soft) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -2;
    background: url('../img/photos/hero.jpg') center/cover no-repeat;
    opacity: 0.35;
    filter: saturate(1.05);
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(115deg, rgba(232, 244, 251, 0.75) 0%, rgba(255, 255, 255, 0.55) 55%, rgba(30, 136, 199, 0.15) 100%),
        radial-gradient(circle at 20% 30%, rgba(30, 136, 199, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content .promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--color-navy);
    padding: 10px 18px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 2px solid var(--color-accent);
}

.hero-content .promo-badge .badge-icon {
    background: var(--color-accent);
    color: var(--color-navy);
    padding: 4px 8px;
    border-radius: 100px;
    font-size: 0.75rem;
}

.hero h1 {
    margin-bottom: 20px;
}

.hero h1 .highlight {
    background: linear-gradient(120deg, transparent 0%, transparent 25%, rgba(255, 184, 0, 0.4) 25%, rgba(255, 184, 0, 0.4) 100%);
    padding: 0 6px;
    color: var(--color-navy);
}

.hero h1 .text-primary {
    color: var(--color-primary);
    display: block;
    font-size: 1.2em;
    line-height: 1;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray-700);
    margin-bottom: 28px;
    max-width: 540px;
}

.hero-benefits {
    list-style: none;
    margin-bottom: 32px;
}

.hero-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-weight: 600;
    color: var(--color-navy);
}

.hero-benefits .check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    flex-shrink: 0;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-gray-200);
    flex-wrap: wrap;
}

.hero-trust .trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-gray-700);
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-trust .trust-item svg {
    color: var(--color-primary);
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* ---------- Hero Form Card ---------- */
.form-card {
    background: white;
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
    border-top: 6px solid var(--color-primary);
}

.form-card::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 50%;
    opacity: 0.15;
    z-index: -1;
}

.form-card .form-header {
    text-align: center;
    margin-bottom: 24px;
}

.form-card .form-tag {
    display: inline-block;
    background: var(--color-danger);
    color: white;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.form-card h3 {
    font-size: 1.35rem;
    margin-bottom: 8px;
}

.form-card .form-header p {
    font-size: 0.9rem;
    color: var(--color-gray-500);
}

.form-group {
    margin-bottom: 14px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--color-off-white);
    transition: all var(--transition);
    color: var(--color-gray-900);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(30, 136, 199, 0.12);
}

.form-control::placeholder {
    color: var(--color-gray-500);
}

textarea.form-control {
    resize: vertical;
    min-height: 90px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7A87' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    padding-right: 44px;
    cursor: pointer;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin: 12px 0 18px;
    line-height: 1.5;
}

.form-check input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.form-check a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-notice {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
    background: var(--color-navy);
    color: white;
    padding: 30px 0;
}

.trust-bar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.trust-bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.trust-bar-item .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-light);
    line-height: 1;
    font-family: var(--font-display);
}

.trust-bar-item .label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.5px;
}

/* ---------- Benefits Section ---------- */
.benefits {
    background: var(--color-off-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: white;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    text-align: center;
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, rgba(30, 136, 199, 0.15) 100%);
    color: var(--color-primary);
    margin-bottom: 20px;
    transition: all var(--transition);
}

.benefit-card:hover .benefit-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    transform: scale(1.05);
}

.benefit-icon svg {
    width: 36px;
    height: 36px;
}

.benefit-card h4 {
    color: var(--color-navy);
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--color-gray-700);
}

/* ---------- Promo Section (90% Savings) ---------- */
.promo-section {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.promo-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(30, 136, 199, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.promo-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 184, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.promo-section .container {
    position: relative;
    z-index: 1;
}

.promo-section h2 { color: white; }
.promo-section .section-header p { color: rgba(255,255,255,0.85); }
.promo-section .section-header .eyebrow { color: var(--color-accent); }

.savings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
    align-items: center;
}

.savings-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition);
}

.savings-card:hover {
    background: rgba(255, 255, 255, 0.10);
    transform: translateY(-4px);
}

.savings-card .percentage {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-accent) 0%, #FFD466 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 12px;
    font-family: var(--font-display);
}

.savings-card h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.savings-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

.savings-total {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-navy);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 20px 50px rgba(255, 184, 0, 0.3);
}

.savings-total .huge {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    font-family: var(--font-display);
}

.savings-total h4 {
    color: var(--color-navy);
    font-size: 1.15rem;
    margin-top: 10px;
    font-weight: 700;
}

.promo-cta-wrap {
    text-align: center;
    margin-top: 40px;
}

/* ---------- Products Section ---------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--color-gray-100);
}

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

.product-image {
    height: 240px;
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, rgba(30, 136, 199, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-image .badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-accent);
    color: var(--color-navy);
    padding: 6px 14px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-body {
    padding: 28px;
}

.product-body h3 {
    color: var(--color-navy);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.product-body p {
    color: var(--color-gray-700);
    margin-bottom: 18px;
    font-size: 0.95rem;
}

.product-features {
    list-style: none;
    margin-bottom: 20px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.product-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
}

.product-link:hover {
    gap: 12px;
}

/* ---------- Models Section ---------- */
.models-section {
    background: var(--color-off-white);
}

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

.model-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    text-align: center;
    padding: 24px 20px;
    border: 1px solid var(--color-gray-100);
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--color-primary-light);
}

.model-image {
    aspect-ratio: 1 / 1;
    background: var(--color-primary-soft);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}

.model-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.model-card:hover .model-image img {
    transform: scale(1.08);
}

.model-card h4 {
    color: var(--color-navy);
    font-size: 1rem;
    margin-bottom: 4px;
}

.model-card p {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

/* ---------- Colors Section ---------- */
.colors-showcase {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
    max-width: 900px;
    margin: 0 auto;
}

.color-swatch {
    aspect-ratio: 1;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.5);
}

.color-swatch:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow);
}

.color-swatch .color-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.7rem;
    padding: 4px;
    text-align: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.color-swatch:hover .color-name {
    opacity: 1;
}

/* ---------- Before/After ---------- */
.before-after {
    background: linear-gradient(180deg, var(--color-off-white) 0%, var(--color-primary-soft) 100%);
}

.ba-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.ba-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.ba-image {
    height: 320px;
    position: relative;
    overflow: hidden;
}

.ba-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ba-image.before img {
    filter: grayscale(60%) contrast(0.85) brightness(0.85);
}

.ba-image .ba-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 8px 18px;
    border-radius: 100px;
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.ba-image.before .ba-tag {
    background: linear-gradient(135deg, #6B7A87 0%, #3A4756 100%);
}

.ba-image.after .ba-tag {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.ba-label {
    padding: 20px;
    text-align: center;
    font-weight: 700;
    color: var(--color-navy);
    font-size: 1.1rem;
}

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-navy) 100%);
    color: white;
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 184, 0, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: white;
    margin-bottom: 20px;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
    margin-bottom: 32px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Contact Section ---------- */
.contact-section {
    background: white;
    padding: var(--section-py) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 60px;
    align-items: center;
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-info .lead {
    font-size: 1.1rem;
    color: var(--color-gray-700);
    margin-bottom: 32px;
}

.contact-list {
    list-style: none;
    margin-bottom: 32px;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.contact-list .contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-list .contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-list .contact-detail strong {
    display: block;
    color: var(--color-navy);
    font-size: 1rem;
    margin-bottom: 2px;
}

.contact-list .contact-detail a,
.contact-list .contact-detail span {
    color: var(--color-gray-700);
    font-size: 0.95rem;
}

.contact-list .contact-detail a:hover {
    color: var(--color-primary);
}

/* ---------- Guarantee Section ---------- */
.guarantee-section {
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-off-white) 100%);
    padding: 60px 0;
}

.guarantee-card {
    background: white;
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 40px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    border-left: 6px solid var(--color-primary);
}

.guarantee-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-navy) 100%);
    color: white;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}

.guarantee-icon svg {
    width: 60px;
    height: 60px;
}

.guarantee-content h3 {
    color: var(--color-navy);
    margin-bottom: 12px;
}

.guarantee-content p {
    color: var(--color-gray-700);
    font-size: 1rem;
}

/* ---------- Portfolio Gallery ---------- */
.portfolio {
    background: var(--color-off-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.portfolio-item {
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-primary-soft);
    position: relative;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(26, 54, 93, 0.85) 100%);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 1;
}

.portfolio-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.portfolio-item:hover img {
    transform: scale(1.10);
}

.portfolio-item:hover::before {
    opacity: 1;
}

.portfolio-item .label {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    color: white;
    font-weight: 600;
    z-index: 2;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition);
    font-size: 0.9rem;
    text-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

.portfolio-item:hover .label {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item .portfolio-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    z-index: 2;
    opacity: 0;
    transform: scale(0.7);
    transition: all var(--transition);
}

.portfolio-item:hover .portfolio-icon {
    opacity: 1;
    transform: scale(1);
}

/* ---------- Industrial Section ---------- */
.industrial-section {
    background: white;
}

.industrial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.industrial-image {
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.industrial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.industrial-image:hover img {
    transform: scale(1.03);
}

.industrial-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 136, 199, 0.05) 0%, rgba(26, 54, 93, 0.15) 100%);
    pointer-events: none;
}

.industrial-content h2 {
    margin-bottom: 20px;
}

.industrial-content p {
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.industrial-content .features-list {
    list-style: none;
    margin: 24px 0 32px;
}

.industrial-content .features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--color-navy);
    font-weight: 600;
}

.industrial-content .features-list .check {
    color: var(--color-primary);
    flex-shrink: 0;
}

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

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition);
}

.faq-item.open {
    box-shadow: var(--shadow);
    border-color: var(--color-primary-light);
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    font-weight: 700;
    color: var(--color-navy);
    background: transparent;
    border: none;
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    text-align: left;
    transition: color var(--transition);
}

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

.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    flex-shrink: 0;
    transition: all var(--transition);
}

.faq-item.open .faq-icon {
    background: var(--color-primary);
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--color-gray-700);
    line-height: 1.7;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--color-navy-dark);
    color: rgba(255,255,255,0.85);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 64px;
    width: auto;
    margin-bottom: 20px;
    background: white;
    padding: 10px 14px;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.footer-brand p {
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem;
    line-height: 1.6;
}

.site-footer h5 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.site-footer ul {
    list-style: none;
}

.site-footer ul li {
    padding: 5px 0;
}

.site-footer ul a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.site-footer ul a:hover {
    color: var(--color-primary-light);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0 !important;
}

.footer-contact svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
    margin-top: 4px;
}

.footer-contact a, .footer-contact span {
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: rgba(255,255,255,0.75);
    font-size: 0.85rem;
    margin: 0 10px;
}

/* ---------- Floating Buttons ---------- */
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    transition: all var(--transition);
    text-decoration: none;
}

.float-btn:hover {
    transform: scale(1.1);
    color: white;
}

.float-btn.whatsapp {
    background: #25D366;
}

.float-btn.phone {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    animation: pulse-btn 2s infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 8px 20px rgba(30, 136, 199, 0.4), 0 0 0 0 rgba(30, 136, 199, 0.5); }
    50% { box-shadow: 0 8px 20px rgba(30, 136, 199, 0.4), 0 0 0 15px rgba(30, 136, 199, 0); }
}

.float-btn svg { width: 28px; height: 28px; }

/* ---------- Alerts ---------- */
.alert {
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #15803D;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #B91C1C;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Thank You Page ---------- */
.thankyou-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-off-white) 100%);
}

.thankyou-card {
    background: white;
    padding: 60px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 640px;
    width: 100%;
    border-top: 8px solid var(--color-primary);
}

.thankyou-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-success) 0%, #16A34A 100%);
    color: white;
    margin-bottom: 24px;
    animation: pop 0.6s ease;
}

@keyframes pop {
    0% { transform: scale(0); }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.thankyou-card h1 {
    color: var(--color-navy);
    margin-bottom: 16px;
}

.thankyou-card p {
    font-size: 1.05rem;
    margin-bottom: 24px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .main-nav { display: none; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .models-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .colors-showcase { grid-template-columns: repeat(6, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
    .industrial-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .savings-grid { grid-template-columns: 1fr; gap: 20px; }
    .guarantee-card { grid-template-columns: 1fr; text-align: center; padding: 40px 24px; }
    .guarantee-icon { margin: 0 auto; }
}

@media (max-width: 768px) {
    .hamburger { display: inline-flex; }
    .header-phone { display: none; }
    .site-logo img { height: 44px; }

    .trust-bar-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .products-grid { grid-template-columns: 1fr; }
    .models-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
    .footer-contact li { justify-content: center; }
    .colors-showcase { grid-template-columns: repeat(5, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .ba-grid { grid-template-columns: 1fr; }

    .form-card { padding: 24px; }
    .form-card::before { display: none; }
    .savings-total .huge { font-size: 3.5rem; }

    .hero {
        padding: 30px 0 50px;
    }

    .announcement-bar { font-size: 0.75rem; padding: 8px 0; }
    .announcement-bar .container { gap: 10px; }

    .cta-buttons { flex-direction: column; align-items: stretch; }
    .cta-buttons .btn { width: 100%; }

    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { width: 100%; }

    .floating-buttons { bottom: 15px; right: 15px; }
    .float-btn { width: 52px; height: 52px; }
    .float-btn svg { width: 24px; height: 24px; }
}

@media (max-width: 480px) {
    .colors-showcase { grid-template-columns: repeat(4, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.9rem; }
    section { padding: 60px 0; }
    .thankyou-card { padding: 40px 24px; }
}