/* =============================================================
   Instaglow Windows & Doors — Premium Design System
   "The Glass & Shadow" Aesthetic
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ---- CSS Variables ---- */
:root {
    --ink:           #08112b;
    --ink-mid:       #0e1f47;
    --brand-blue:    #1557d4;
    --brand-bright:  #3b82f6;
    --accent:        #38bdf8;
    --gold:          #f59e0b;
    --white:         #ffffff;
    --off-white:     #f8faff;
    --light-bg:      #f1f5fb;
    --text:          #1e293b;
    --muted:         #64748b;
    --border:        #e2e8f0;
    --border-dark:   rgba(255,255,255,0.10);

    --glass-bg:      rgba(255,255,255,0.07);
    --glass-border:  rgba(255,255,255,0.15);
    --glow:          0 0 40px rgba(59,130,246,0.25);
    --glow-strong:   0 0 60px rgba(59,130,246,0.4);

    --shadow-sm:     0 2px 8px rgba(8,17,43,0.08);
    --shadow-md:     0 8px 30px rgba(8,17,43,0.10);
    --shadow-lg:     0 20px 60px rgba(8,17,43,0.14);
    --shadow-xl:     0 32px 80px rgba(8,17,43,0.18);

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

    --ease:          cubic-bezier(0.4,0,0.2,1);
    --ease-spring:   cubic-bezier(0.175,0.885,0.32,1.275);

    --font-heading:  'Outfit', sans-serif;
    --font-body:     'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: all 0.25s var(--ease); }

/* ---- Typography ---- */
h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--ink);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}
.section-label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s var(--ease);
    white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
    background: linear-gradient(135deg, var(--brand-blue), #0f3d99);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(21,87,212,0.35);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(21,87,212,0.45), var(--glow);
}

.btn-ghost {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.4);
    color: var(--white);
    backdrop-filter: blur(6px);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--brand-blue);
    color: var(--brand-blue);
}
.btn-outline:hover {
    background: var(--brand-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-full { width: 100%; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

/* ---- Chip / Badge ---- */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(56,189,248,0.12);
    border: 1px solid rgba(56,189,248,0.3);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ============================================================
   TOP BAR
   ============================================================ */
.top-bar {
    background: var(--ink);
    color: rgba(255,255,255,0.7);
    font-size: 0.82rem;
    padding: 11px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.top-info { display: flex; gap: 28px; flex-wrap: wrap; }
.contact-link {
    display: flex;
    align-items: center;
    gap: 7px;
    font-weight: 500;
    transition: color 0.2s;
}
.contact-link svg { width: 15px; height: 15px; }
.contact-link:hover { color: var(--accent); }
.top-tagline {
    font-weight: 600;
    letter-spacing: 0.5px;
    color: rgba(255,255,255,0.5);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.main-header {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 200;
    transition: box-shadow 0.3s var(--ease);
}
.main-header.scrolled {
    box-shadow: 0 4px 24px rgba(8,17,43,0.08);
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Brand Logo Replica */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.3s var(--ease);
}
.brand-logo:hover {
    transform: scale(1.02);
}
.brand-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}
.brand-icon svg {
    width: 100%;
    height: 100%;
}
/* House shapes (not windows) - brand blue in header, white in footer */
.brand-icon svg path:not(.win),
.brand-icon svg rect:not(.win),
.brand-icon svg polygon {
    fill: var(--brand-blue);
    transition: fill 0.3s var(--ease);
}
/* Windows - always contrast against the house */
.brand-icon .win {
    fill: white;
    transition: fill 0.3s var(--ease);
}
.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.brand-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--brand-blue);
    transition: color 0.3s var(--ease);
}
.brand-slogan {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-style: italic;
    font-weight: 500;
    color: var(--brand-blue);
    margin-top: 3px;
    transition: color 0.3s var(--ease);
}

/* Footer variant */
.main-footer .brand-title {
    color: var(--white);
}
.main-footer .brand-slogan {
    color: var(--accent);
}
.main-footer .brand-icon svg path:not(.win),
.main-footer .brand-icon svg rect:not(.win),
.main-footer .brand-icon svg polygon {
    fill: var(--white);
}
.main-footer .brand-icon .win {
    fill: var(--ink);
}

/* Nav */
.nav-menu { display: flex; align-items: center; gap: 36px; }
.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text);
    position: relative;
    padding: 6px 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--accent));
    border-radius: 2px;
    transition: width 0.3s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--brand-blue); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.menu-toggle .bar {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--ink);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    opacity: 0.3;
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(8,17,43,0.96) 0%,
        rgba(8,17,43,0.80) 45%,
        rgba(8,17,43,0.30) 100%
    );
}

/* Decorative blobs */
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 1;
}
.hero-blob-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(21,87,212,0.3) 0%, transparent 70%);
    top: -100px; left: -100px;
}
.hero-blob-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(56,189,248,0.2) 0%, transparent 70%);
    bottom: -80px; right: 15%;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 80px;
    align-items: center;
    padding: 100px 32px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero-content { color: var(--white); }

.hero-content .chip { margin-bottom: 28px; }

.hero-title {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    color: var(--white);
    letter-spacing: -2px;
    margin-bottom: 24px;
}
.hero-title .highlight {
    display: block;
    background: linear-gradient(135deg, var(--accent), var(--brand-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.72);
    max-width: 580px;
    margin-bottom: 44px;
    line-height: 1.75;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.stat { display: flex; flex-direction: column; }
.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}
.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero glass card */
.hero-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 44px 40px;
    position: relative;
    overflow: hidden;
}
.hero-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--accent));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.hero-card-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 6px;
}
.hero-card-subtitle {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 28px;
}
.quick-form { display: flex; flex-direction: column; gap: 14px; }
.form-input {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.94rem;
    transition: all 0.25s var(--ease);
}
.form-input::placeholder { color: rgba(255,255,255,0.35); }
.form-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.10);
    box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.features-section {
    padding: 120px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}
.features-section::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(21,87,212,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.section-header {
    margin-bottom: 70px;
}
.section-header h2 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}
.section-header p {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 560px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.feature-card {
    background: var(--white);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s var(--ease);
}
.feature-card:hover {
    background: var(--off-white);
}
.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 40px;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--accent));
    transition: width 0.4s var(--ease);
}
.feature-card:hover::after { width: calc(100% - 80px); }

.feature-icon-wrap {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, rgba(21,87,212,0.08), rgba(56,189,248,0.08));
    border: 1px solid rgba(21,87,212,0.12);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.3s var(--ease);
}
.feature-card:hover .feature-icon-wrap {
    background: linear-gradient(135deg, var(--brand-blue), var(--accent));
    border-color: transparent;
}
.feature-icon-wrap svg { width: 26px; height: 26px; color: var(--brand-blue); transition: color 0.3s; }
.feature-card:hover .feature-icon-wrap svg { color: var(--white); }

.feature-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--ink);
}
.feature-card p { font-size: 0.92rem; color: var(--muted); line-height: 1.65; }

/* ============================================================
   PRODUCT SHOWCASE
   ============================================================ */
.showcase-section {
    padding: 120px 0;
    background: var(--ink);
    position: relative;
    overflow: hidden;
}
.showcase-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.showcase-section .section-label { color: var(--accent); }
.showcase-section h2 { color: var(--white); }
.showcase-section .section-header p { color: rgba(255,255,255,0.55); }

.tabs-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 60px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 6px;
    width: fit-content;
    flex-wrap: wrap;
}
.tab-btn {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.55);
    padding: 11px 22px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    white-space: nowrap;
}
.tab-btn:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.tab-btn.active {
    background: linear-gradient(135deg, var(--brand-blue), #0f3d99);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(21,87,212,0.4);
}

.tab-content { display: none; }
.tab-content.active {
    display: block;
    animation: tabIn 0.45s var(--ease) forwards;
}
@keyframes tabIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

.showcase-img-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}
.showcase-img-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(8,17,43,0.5) 100%);
    z-index: 1;
    pointer-events: none;
}
.showcase-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.showcase-img-wrap:hover img { transform: scale(1.04); }

.product-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 2;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 10px 18px;
    border-radius: 50px;
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}
.product-badge span {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.showcase-details h3 {
    font-size: clamp(1.8rem, 2.5vw, 2.4rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}
.showcase-details .subtitle {
    color: var(--accent);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.showcase-details .subtitle::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--accent);
    flex-shrink: 0;
}
.showcase-details > p {
    color: rgba(255,255,255,0.65);
    font-size: 0.97rem;
    line-height: 1.75;
    margin-bottom: 28px;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 36px;
}
.spec-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
}
.spec-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.4);
    font-weight: 600;
    margin-bottom: 4px;
}
.spec-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--white);
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-section {
    padding: 120px 0;
    background: var(--light-bg);
}
.gallery-section .section-label { color: var(--brand-blue); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 3/4;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    outline: none;
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.gallery-item:focus-visible {
    box-shadow: 0 0 0 3px var(--brand-bright), var(--glow);
    transform: translateY(-4px);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}
.gallery-item:hover img,
.gallery-item:focus-visible img { 
    transform: scale(1.07); 
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8,17,43,0.35) 0%, transparent 40%, rgba(8,17,43,0.95) 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 22px 20px;
    opacity: 0;
    transition: opacity 0.35s var(--ease);
}
.gallery-item:hover .gallery-overlay,
.gallery-item:focus-visible .gallery-overlay { 
    opacity: 1; 
}

.gallery-top-cue {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.gallery-zoom-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}
.gallery-zoom-icon svg { width: 18px; height: 18px; }
.gallery-item:hover .gallery-zoom-icon {
    transform: scale(1.1);
    background: var(--brand-blue);
}

.gallery-tag {
    display: inline-block;
    background: var(--brand-blue);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 50px;
    width: fit-content;
}
.gallery-overlay h5 {
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.gallery-overlay p { color: rgba(255,255,255,0.7); font-size: 0.83rem; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--ink), var(--ink-mid));
    position: relative;
    overflow: hidden;
}
.testimonials-section .section-label { color: var(--accent); }
.testimonials-section h2 { color: var(--white); margin-bottom: 16px; font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; letter-spacing: -1px; }
.testimonials-section .section-header p { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 560px;}

.testimonials-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-top: 60px;
}
.testimonial-card {
    flex: 1 1 340px;
    max-width: 420px;
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all 0.4s var(--ease);
    position: relative;
}
.testimonial-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(56,189,248,0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(56,189,248,0.15);
}
.stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}
.stars svg {
    width: 18px;
    height: 18px;
    color: var(--gold);
    fill: var(--gold);
}
.testimonial-text {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 30px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}
.author-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-blue), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
    font-family: var(--font-heading);
    flex-shrink: 0;
}
.author-info h6 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 2px;
    font-family: var(--font-heading);
}
.author-info span {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================
   QUOTE SECTION
   ============================================================ */
.quote-section {
    padding: 120px 0;
    background: var(--white);
    position: relative;
}
.quote-section::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 50%;
    background: var(--light-bg);
    z-index: 0;
}

.quote-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}
.quote-info .section-label { color: var(--brand-blue); }
.quote-info h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.75px;
    margin-bottom: 18px;
}
.quote-info > p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 36px;
}

.benefit-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 44px; }
.benefit-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
}
.benefit-check {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--brand-blue), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.benefit-check svg { width: 14px; height: 14px; color: var(--white); }

.phone-card {
    background: var(--ink);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
}
.phone-card-icon {
    width: 52px;
    height: 52px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.phone-card-icon svg { width: 24px; height: 24px; color: var(--accent); }
.phone-card-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-bottom: 4px; font-weight: 500; }
.phone-card-number {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
    display: block;
    transition: color 0.2s;
}
.phone-card-number:hover { color: var(--accent); }

/* Form card */
.quote-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 52px;
    box-shadow: var(--shadow-xl);
}
.quote-card-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
    margin-bottom: 32px;
}
.quote-card-header h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 4px;
}
.quote-card-header p { font-size: 0.88rem; color: var(--muted); }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: span 2; }

.form-group label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--ink);
}
.form-control {
    padding: 13px 18px;
    border: 1.5px solid var(--border);
    background: var(--off-white);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.93rem;
    color: var(--text);
    transition: all 0.25s var(--ease);
    width: 100%;
}
.form-control:focus {
    outline: none;
    border-color: var(--brand-blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(21,87,212,0.10);
}
textarea.form-control { resize: vertical; min-height: 110px; }

.form-success-msg {
    display: none;
    margin-top: 14px;
    padding: 14px 18px;
    background: rgba(34,197,94,0.08);
    border: 1px solid rgba(34,197,94,0.3);
    color: #15803d;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}
.form-error-msg {
    display: none;
    margin-top: 14px;
    padding: 14px 18px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #dc2626;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
    background: var(--ink);
    color: rgba(255,255,255,0.6);
    padding: 80px 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-name { color: var(--white); }
.footer-brand p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.45);
    margin-bottom: 28px;
    max-width: 340px;
}

.social-row { display: flex; gap: 10px; }
.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: all 0.25s var(--ease);
}
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover {
    background: var(--brand-blue);
    border-color: var(--brand-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-col h5 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.45);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }

.contact-entry {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.contact-entry svg { width: 16px; height: 16px; margin-top: 2px; flex-shrink: 0; color: var(--accent); }

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

/* ============================================================
   SCROLL FADE ANIMATION
   ============================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   GALLERY LIGHTBOX
   ============================================================ */
.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
    padding: 24px;
}
.lightbox-modal.active {
    opacity: 1;
    pointer-events: auto;
}
.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 17, 43, 0.90);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.lightbox-dialog {
    position: relative;
    z-index: 2;
    max-width: 900px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.95);
    transition: transform 0.35s var(--ease-spring);
}
.lightbox-modal.active .lightbox-dialog {
    transform: scale(1);
}
.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    z-index: 10;
}
.lightbox-close:hover {
    background: rgba(239, 68, 68, 0.85);
    transform: rotate(90deg);
}
.lightbox-close svg { width: 22px; height: 22px; }

.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    z-index: 10;
}
.lightbox-arrow:hover {
    background: var(--brand-blue);
    transform: translateY(-50%) scale(1.08);
    box-shadow: var(--glow);
}
.lightbox-arrow svg { width: 24px; height: 24px; }
.lightbox-prev { left: -68px; }
.lightbox-next { right: -68px; }

.lightbox-content {
    background: rgba(14, 31, 71, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), var(--glow);
    max-width: 820px;
    width: 100%;
}
.lightbox-img-wrap {
    width: 100%;
    max-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #020617;
    overflow: hidden;
}
.lightbox-img-wrap img {
    max-width: 100%;
    max-height: 65vh;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    transition: opacity 0.25s ease;
}
.lightbox-caption {
    padding: 20px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: rgba(8, 17, 43, 0.96);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.lightbox-caption-main h4 {
    color: var(--white);
    font-size: 1.15rem;
    margin: 4px 0 2px;
}
.lightbox-caption-main p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.88rem;
}
.lightbox-tag {
    display: inline-block;
    background: var(--brand-blue);
    color: var(--white);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 50px;
}
.lightbox-enquire-btn {
    padding: 10px 22px;
    font-size: 0.88rem;
    flex-shrink: 0;
}

/* ============================================================
   FLOATING WHATSAPP CHAT WIDGET
   ============================================================ */
.whatsapp-float-wrap {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 800;
}
.whatsapp-float {
    position: relative;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
    text-decoration: none;
}
.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.06);
    box-shadow: 0 14px 34px rgba(37, 211, 102, 0.55);
    color: #ffffff;
}
.whatsapp-icon {
    width: 34px;
    height: 34px;
}
.whatsapp-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 20px;
    height: 20px;
    background: #ef4444;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.whatsapp-pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid #25d366;
    opacity: 0.8;
    animation: waPulse 2.2s infinite ease-out;
    pointer-events: none;
}
@keyframes waPulse {
    0% {
        transform: scale(0.9);
        opacity: 0.9;
    }
    70% {
        transform: scale(1.35);
        opacity: 0;
    }
    100% {
        transform: scale(1.35);
        opacity: 0;
    }
}
.whatsapp-tooltip {
    position: absolute;
    right: 76px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: var(--ink);
    color: var(--white);
    padding: 10px 16px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.12);
    display: flex;
    flex-direction: column;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.28s var(--ease);
}
.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 6px solid var(--ink);
}
.whatsapp-tooltip strong {
    font-size: 0.84rem;
    color: var(--white);
}
.whatsapp-tooltip span {
    font-size: 0.74rem;
    color: #4ade80;
}
.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .hero-container { grid-template-columns: 1fr; gap: 60px; }
    .hero-card { max-width: 500px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .showcase-grid { grid-template-columns: 1fr; gap: 48px; }
    .quote-container { grid-template-columns: 1fr; gap: 60px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .header-container { padding: 14px 20px; }

    .menu-toggle { display: flex; }
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: all 0.3s var(--ease);
        z-index: 300;
    }
    .nav-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
    .btn-nav { width: 100%; text-align: center; }

    .top-bar-content { flex-direction: column; text-align: center; gap: 6px; }
    .top-info { justify-content: center; }

    .hero-container { padding: 80px 20px; }
    .hero-stats { gap: 28px; flex-wrap: wrap; }

    .features-grid { grid-template-columns: 1fr; gap: 2px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .tabs-nav { width: 100%; justify-content: flex-start; border-radius: 12px; }

    .form-grid { grid-template-columns: 1fr; }
    .form-group.full { grid-column: span 1; }
    .quote-card { padding: 32px 24px; }

    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .specs-grid { grid-template-columns: 1fr; }

    /* Lightbox & WhatsApp Mobile Adjustments */
    .whatsapp-float-wrap { bottom: 20px; right: 20px; }
    .whatsapp-float { width: 54px; height: 54px; }
    .whatsapp-icon { width: 30px; height: 30px; }
    .whatsapp-tooltip { display: none; }

    .lightbox-modal { padding: 12px; }
    .lightbox-close { top: -46px; right: 4px; width: 38px; height: 38px; }
    .lightbox-arrow { width: 42px; height: 42px; }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
    .lightbox-caption { flex-direction: column; align-items: stretch; gap: 14px; padding: 16px 20px; }
    .lightbox-enquire-btn { width: 100%; text-align: center; }
}