/* ==========================================================================
   Gaye Jenerator - Ana Stil Dosyası
   Version: 1.0.0
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables & Reset
   ========================================================================== */
:root {
    --primary: #000000;
    --accent: #1e40af;
    --accent-hover: #1d4ed8;
    --accent-light: #3b82f6;
    --bg-light: #ffffff;
    --bg-alt: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --success: #10b981;
    --shadow: 0 20px 40px rgba(0,0,0,0.08);
    --shadow-lg: 0 30px 60px rgba(0,0,0,0.12);
    --radius: 32px;
    --radius-lg: 40px;
}

*, *::before, *::after { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

html { 
    scroll-behavior: smooth; 
    overflow-x: hidden; 
    scroll-padding-top: 80px; 
}

body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    background: var(--bg-light); 
    color: var(--text-main); 
    overflow-x: hidden; 
    line-height: 1.6; 
    position: relative; 
}

section[id] { 
    scroll-margin-top: 80px; 
}

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

/* ==========================================================================
   2. Accessibility
   ========================================================================== */
.skip-link {
    position: absolute; 
    left: -9999px; 
    z-index: 9999;
    padding: 15px 25px; 
    background: var(--accent); 
    color: white; 
    font-weight: 700;
    border-radius: 8px; 
    text-decoration: none; 
    transition: left 0.3s;
}

.skip-link:focus { 
    left: 20px; 
    top: 20px; 
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   3. Navigation
   ========================================================================== */
#nav {
    position: fixed; 
    top: 0; 
    width: 100%; 
    z-index: 1000;
    padding: 18px 6%; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    background: rgba(255,255,255,0.9); 
    backdrop-filter: blur(20px); 
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: padding 0.3s, box-shadow 0.3s;
}

#nav.scrolled { 
    box-shadow: var(--shadow); 
}

.logo { 
    display: flex; 
    align-items: center; 
    text-decoration: none; 
    color: var(--text-main); 
}

.logo img { 
    height: 44px; 
    width: auto; 
    object-fit: contain; 
}

.nav-menu { 
    display: flex; 
    gap: 36px; 
    list-style: none; 
    align-items: center; 
}

.nav-menu a { 
    text-decoration: none; 
    color: var(--text-main); 
    font-weight: 600; 
    font-size: 14px; 
    transition: color 0.3s; 
}

.nav-menu a:hover { 
    color: var(--accent); 
}

.nav-cta { 
    display: flex; 
    align-items: center; 
    gap: 20px; 
}

.nav-phone {
    display: flex; 
    flex-direction: column; 
    align-items: flex-end; 
    text-decoration: none;
    color: var(--text-main); 
    transition: color 0.3s; 
    padding: 6px 0; 
    border-left: 2px solid var(--accent); 
    padding-left: 16px;
}

.nav-phone:hover { 
    color: var(--accent); 
}

.nav-phone-label { 
    font-size: 11px; 
    font-weight: 600; 
    letter-spacing: 1px; 
    color: var(--text-muted); 
}

.nav-phone-num { 
    font-size: 15px; 
    font-weight: 700; 
    color: var(--text-main); 
}

/* Hamburger Menu */
.hamburger { 
    display: none; 
    flex-direction: column; 
    gap: 6px; 
    cursor: pointer; 
    padding: 12px; 
    z-index: 1002;
    background: none; 
    border: none; 
    position: relative;
}

.hamburger span { 
    width: 26px; 
    height: 2px; 
    background: var(--text-main); 
    transition: 0.3s; 
    display: block; 
}

.hamburger.active span:nth-child(1) { 
    transform: rotate(45deg) translate(6px, 6px); 
}

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

.hamburger.active span:nth-child(3) { 
    transform: rotate(-45deg) translate(6px, -6px); 
}

/* ==========================================================================
   4. Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh; 
    position: relative; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    overflow: hidden; 
    background: linear-gradient(145deg, #1e293b 0%, #0f172a 50%, #1e3a5f 100%);
}

.hero::before {
    content: ''; 
    position: absolute; 
    inset: 0; 
    z-index: 1;
    background: 
        radial-gradient(ellipse 80% 60% at 60% 80%, rgba(30, 64, 175, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 30% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 60%),
        linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.6) 100%);
    pointer-events: none;
}

.hero-grid {
    position: absolute; 
    inset: 0; 
    z-index: 0; 
    opacity: 0.4;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-particles {
    position: absolute; 
    inset: 0; 
    z-index: 2; 
    pointer-events: none; 
    overflow: hidden;
}

.hero-particle {
    position: absolute; 
    width: 4px; 
    height: 4px; 
    background: var(--accent-light);
    border-radius: 50%; 
    opacity: 0.4; 
    animation: float-particle 15s infinite ease-in-out;
}

.hero-particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.hero-particle:nth-child(2) { left: 25%; top: 60%; animation-delay: -2s; width: 6px; height: 6px; }
.hero-particle:nth-child(3) { left: 45%; top: 15%; animation-delay: -4s; opacity: 0.2; }
.hero-particle:nth-child(4) { left: 70%; top: 40%; animation-delay: -6s; }
.hero-particle:nth-child(5) { left: 85%; top: 70%; animation-delay: -8s; width: 3px; height: 3px; }
.hero-particle:nth-child(6) { left: 60%; top: 85%; animation-delay: -3s; }

@keyframes float-particle {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    25% { transform: translate(20px, -30px) scale(1.2); opacity: 0.6; }
    50% { transform: translate(-15px, -50px) scale(0.9); opacity: 0.2; }
    75% { transform: translate(25px, -20px) scale(1.1); opacity: 0.5; }
}

.hero-bg-text {
    position: absolute; 
    font-family: 'Syncopate', sans-serif;
    font-size: clamp(80px, 14vw, 200px); 
    color: rgba(255,255,255,0.02); 
    white-space: nowrap;
    z-index: 1; 
    pointer-events: none; 
    user-select: none; 
    bottom: -5%;
}

.hero-img-wrap {
    position: absolute; 
    width: 48%; 
    max-width: 650px; 
    z-index: 5; 
    right: 6%;
    filter: drop-shadow(0 30px 60px rgba(234, 179, 8, 0.25));
}

.hero-img-wrap img { 
    width: 100%; 
    height: auto; 
    border-radius: 16px; 
}

.hero-img-wrap::after {
    content: ''; 
    position: absolute; 
    inset: -20px; 
    z-index: -1; 
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 24px; 
    animation: pulse-ring 3s ease-in-out infinite;
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 0.2; }
}

.hero-content { 
    position: relative; 
    z-index: 10; 
    text-align: left; 
    color: white; 
    padding: 0 0 0 10%; 
    max-width: 45%; 
    margin-right: auto;
    margin-top: 6vh;
}

.hero-tag { 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    font-size: 13px; 
    font-weight: 700; 
    letter-spacing: 2px; 
    color: var(--accent-light); 
    margin-bottom: 20px;
    padding: 8px 16px; 
    background: rgba(59, 130, 246, 0.15); 
    border-radius: 100px; 
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.hero-tag i { 
    font-size: 12px; 
    animation: blink 2s ease-in-out infinite; 
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-content h1 { 
    font-size: clamp(38px, 5.5vw, 72px); 
    font-weight: 800; 
    line-height: 0.95; 
    letter-spacing: -2px; 
    margin-bottom: 24px; 
    text-shadow: 0 2px 40px rgba(0,0,0,0.3);
}

.hero-content h1 .line-accent { 
    display: inline-block; 
    width: 60px; 
    height: 4px; 
    background: linear-gradient(90deg, var(--accent-light), transparent); 
    vertical-align: middle; 
    margin-left: 12px; 
    border-radius: 2px;
}

.hero-content p { 
    font-size: clamp(15px, 1.5vw, 18px); 
    opacity: 0.9; 
    max-width: 500px; 
    margin-bottom: 32px; 
    font-weight: 400; 
    line-height: 1.75; 
    color: rgba(255,255,255,0.85);
}

.hero-badges { 
    display: flex; 
    gap: 12px; 
    flex-wrap: wrap; 
    margin-bottom: 36px; 
}

.hero-badge { 
    background: rgba(255,255,255,0.08); 
    padding: 10px 18px; 
    border-radius: 100px; 
    font-size: 13px; 
    font-weight: 600; 
    border: 1px solid rgba(255,255,255,0.12);
    transition: 0.3s; 
    cursor: default;
}

.hero-badge:hover { 
    background: rgba(59, 130, 246, 0.2); 
    border-color: rgba(59, 130, 246, 0.4); 
    transform: translateY(-2px); 
}

.hero-badge i { 
    margin-right: 8px; 
    color: var(--accent-light); 
}

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

.hero-cta-mobile { 
    display: none; 
}

.hero-scroll {
    position: absolute; 
    bottom: 40px; 
    left: 50%; 
    transform: translateX(-50%);
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 8px;
    color: rgba(255,255,255,0.6); 
    text-decoration: none; 
    font-size: 12px; 
    font-weight: 600; 
    letter-spacing: 1px;
    transition: color 0.3s; 
    animation: bounce-scroll 2.5s ease-in-out infinite;
}

.hero-scroll:hover { 
    color: white; 
}

.hero-scroll i { 
    font-size: 14px; 
}

@keyframes bounce-scroll {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ==========================================================================
   5. Container & Buttons
   ========================================================================== */
.container { 
    max-width: 1280px; 
    margin: 0 auto; 
    padding: 0 5%; 
}

.btn {
    background: var(--accent); 
    color: white; 
    padding: 18px 40px; 
    border-radius: 100px;
    text-decoration: none; 
    font-weight: 700; 
    display: inline-block; 
    transition: 0.3s;
    border: none; 
    cursor: pointer; 
    font-size: 15px; 
    font-family: inherit;
}

.btn:hover { 
    background: var(--accent-hover); 
    transform: translateY(-3px); 
    box-shadow: 0 15px 35px rgba(30, 64, 175, 0.4); 
}

.btn-outline { 
    background: transparent; 
    border: 2px solid white; 
}

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

.btn-hero { 
    position: relative; 
    overflow: hidden; 
}

.btn-hero::after { 
    content: ''; 
    position: absolute; 
    inset: 0; 
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); 
    transform: translateX(-100%); 
    transition: 0.6s; 
}

.btn-hero:hover::after { 
    transform: translateX(100%); 
}

.btn-sm { 
    padding: 12px 28px; 
    font-size: 14px; 
}

/* ==========================================================================
   6. Section Styles
   ========================================================================== */
.section-accent {
    height: 4px; 
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: 0 10%; 
    opacity: 0.5; 
    border-radius: 2px;
}

.section-number {
    font-family: 'Syncopate', sans-serif; 
    font-size: 120px; 
    font-weight: 700;
    color: rgba(0,0,0,0.03); 
    position: absolute; 
    top: -20px; 
    left: 5%; 
    line-height: 1;
}

.section-divider {
    height: 1px; 
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.08), transparent);
    margin: 0 8%; 
    opacity: 0.8;
}

.section-divider-accent {
    width: 80px; 
    height: 4px; 
    background: var(--accent); 
    margin: 40px auto; 
    border-radius: 2px;
}

.section-header { 
    text-align: center; 
    margin-bottom: 60px; 
    position: relative; 
}

.section-header::before {
    content: ''; 
    display: block; 
    width: 50px; 
    height: 4px; 
    background: var(--accent);
    margin: 0 auto 20px; 
    border-radius: 2px;
}

.section-header h2 { 
    font-size: clamp(32px, 4vw, 44px); 
    margin-bottom: 16px; 
}

.section-header p { 
    color: var(--text-muted); 
    font-size: 18px; 
    max-width: 600px; 
    margin: 0 auto; 
}

/* ==========================================================================
   7. References Section
   ========================================================================== */
.references { 
    padding: 60px 0; 
    background: var(--bg-alt); 
    overflow: hidden; 
}

.references-title { 
    text-align: center; 
    font-size: 13px; 
    font-weight: 700; 
    letter-spacing: 3px; 
    color: var(--text-muted); 
    margin-bottom: 36px; 
}

.ref-track {
    display: flex; 
    gap: 80px; 
    animation: ref-scroll 25s linear infinite;
    width: max-content; 
    padding: 0 40px;
}

.ref-track:hover { 
    animation-play-state: paused; 
}

.ref-track-wrap { 
    overflow: hidden; 
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); 
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); 
}

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

.ref-logo {
    flex-shrink: 0; 
    height: 48px; 
    padding: 0 32px; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    filter: grayscale(100%); 
    opacity: 0.4; 
    transition: 0.4s;
}

.ref-logo:hover { 
    filter: grayscale(0); 
    opacity: 0.85; 
}

.ref-logo img { 
    max-height: 40px; 
    max-width: 120px; 
    object-fit: contain; 
    width: auto; 
    height: auto; 
}

.ref-logo span {
    font-size: 16px; 
    font-weight: 800; 
    color: var(--text-main); 
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* ==========================================================================
   8. About Section
   ========================================================================== */
.about { 
    padding: 100px 0; 
    background: #fff; 
    position: relative; 
}

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

.about-visual { 
    position: relative; 
}

.about-img { 
    width: 100%; 
    border-radius: 20px; 
    box-shadow: 0 20px 50px rgba(0,0,0,0.1); 
}

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

.about-img-wrap::before { 
    content: ''; 
    position: absolute; 
    top: 20px; 
    left: 20px; 
    right: -20px; 
    bottom: -20px; 
    background: var(--accent); 
    border-radius: 20px; 
    z-index: -1; 
    opacity: 0.1; 
}

.about-content { 
    padding-left: 20px; 
}

.about-badge { 
    display: inline-flex; 
    align-items: center; 
    gap: 10px; 
    background: rgba(30, 64, 175, 0.06); 
    color: var(--accent); 
    font-weight: 700; 
    font-size: 12px; 
    letter-spacing: 2px; 
    padding: 10px 18px; 
    border-radius: 8px; 
    margin-bottom: 20px; 
}

.about-badge i { 
    font-size: 14px; 
}

.about h2 { 
    font-size: clamp(28px, 3.5vw, 40px); 
    line-height: 1.25; 
    margin-bottom: 20px; 
    color: var(--text-main); 
}

.about p { 
    color: var(--text-muted); 
    font-size: 16px; 
    line-height: 1.85; 
    margin-bottom: 32px; 
}

.about-features { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 14px; 
}

.about-feature { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    padding: 14px 16px; 
    background: var(--bg-alt); 
    border-radius: 12px; 
    transition: 0.3s; 
}

.about-feature:hover { 
    background: #fff; 
    box-shadow: var(--shadow); 
    transform: translateY(-2px); 
}

.about-feature i { 
    color: var(--accent); 
    font-size: 18px; 
    flex-shrink: 0; 
}

.about-feature span { 
    font-size: 14px; 
    font-weight: 600; 
    color: var(--text-main); 
}

/* ==========================================================================
   9. Services Section
   ========================================================================== */
.services { 
    padding: 120px 0; 
}

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

.s-card {
    background: #fff; 
    padding: 36px 28px 32px; 
    border-radius: 24px; 
    border: 1px solid #f1f5f9;
    transition: 0.4s cubic-bezier(0.2, 1, 0.3, 1); 
    position: relative; 
    overflow: hidden;
    transform-style: preserve-3d; 
    perspective: 1000px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    height: 100%;
}

.s-card::before { 
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 4px; 
    background: var(--accent); 
    transform: scaleX(0); 
    transition: 0.4s; 
    transform-origin: left; 
}

.s-card:hover { 
    transform: translateY(-12px) scale(1.02); 
    border-color: var(--accent); 
    box-shadow: var(--shadow); 
}

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

.s-card > i { 
    font-size: 42px; 
    color: var(--accent); 
    margin-bottom: 20px; 
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(30, 64, 175, 0.08);
    border-radius: 18px;
}

.s-card h3 { 
    font-size: 20px; 
    margin-bottom: 10px;
    color: var(--text-main);
}

.s-card p { 
    color: var(--text-muted); 
    font-size: 15px; 
    line-height: 1.7; 
    flex: 1;
}

.s-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    padding: 12px 20px;
    background: transparent;
    border: 2px solid var(--accent);
    border-radius: 12px;
    transition: all 0.3s ease;
    margin-top: 20px;
    width: 100%;
}

.s-card-btn:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.25);
}

.s-card-btn i {
    font-size: 11px;
    transition: transform 0.3s;
}

.s-card-btn:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   10. Products Section
   ========================================================================== */
.products { 
    padding: 100px 0; 
    background: #fafafa; 
    position: relative; 
    overflow: hidden; 
}

.products .container { 
    max-width: 100%; 
    padding: 0; 
}

.products .section-header { 
    max-width: 1200px; 
    margin: 0 auto 50px; 
    padding: 0 20px; 
}

.products-slider-wrap { 
    position: relative; 
    width: 100%; 
}

.products-swiper { 
    overflow: hidden; 
    padding: 30px 0 50px;
}

.products-swiper .swiper-slide { 
    height: auto; 
    width: 320px !important;
    transition: transform 0.4s ease-out, opacity 0.4s ease-out;
    transform: scale(0.88);
    opacity: 0.5;
}

.products-swiper .swiper-slide-prev,
.products-swiper .swiper-slide-next { 
    transform: scale(0.95);
    opacity: 0.75;
}

.products-swiper .swiper-slide-active { 
    transform: scale(1.05);
    opacity: 1;
    z-index: 10;
}

.p-card { 
    background: #fff; 
    border-radius: 24px; 
    overflow: hidden; 
    transition: 0.4s cubic-bezier(0.2, 1, 0.3, 1); 
    border: 1px solid #e5e7eb;
    display: flex; 
    flex-direction: column;
    position: relative; 
    height: 100%;
    min-height: 420px;
}

.p-card::before {
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    height: 5px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--success) 100%);
    transform: scaleX(0); 
    transform-origin: left; 
    transition: transform 0.4s;
}

.swiper-slide-active .p-card::before { 
    transform: scaleX(1); 
}

.swiper-slide-active .p-card { 
    box-shadow: 0 40px 80px rgba(0,0,0,0.18); 
    border-color: var(--accent);
}

.p-img { 
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); 
    height: 200px; 
    padding: 28px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    position: relative; 
    overflow: hidden; 
}

.p-img img { 
    width: 100%; 
    height: 100%; 
    object-fit: contain; 
    transition: transform 0.5s; 
}

.swiper-slide-active .p-img img { 
    transform: scale(1.08); 
}

.p-info { 
    padding: 24px; 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    border-top: 1px solid #f1f5f9; 
}

.p-info h3 { 
    font-size: 18px; 
    margin-bottom: 8px; 
    font-weight: 700; 
    color: var(--text-main); 
}

.p-info p { 
    color: var(--text-muted); 
    font-size: 14px; 
    margin-bottom: 16px; 
    line-height: 1.6; 
}

.p-info .p-tag { 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    background: var(--text-main); 
    color: white; 
    padding: 12px 20px; 
    border-radius: 10px; 
    font-size: 13px; 
    font-weight: 700; 
    margin-top: auto; 
    width: fit-content; 
    transition: 0.3s;
    text-decoration: none;
    cursor: pointer;
}

.p-tag:hover {
    background: var(--accent) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
}

.p-tag i { 
    font-size: 11px; 
    transition: transform 0.3s; 
}

.p-tag:hover i {
    transform: translateX(4px);
}

.swiper-slide-active .p-tag { 
    background: var(--accent); 
}

/* Swiper Navigation */
.products-nav { 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
    width: 60px; 
    height: 60px; 
    background: #fff; 
    border: 2px solid #e5e7eb; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    cursor: pointer; 
    z-index: 100; 
    transition: 0.3s; 
    box-shadow: 0 8px 30px rgba(0,0,0,0.12); 
    font-size: 18px; 
}

.products-nav:hover { 
    background: var(--accent); 
    color: #fff; 
    border-color: var(--accent); 
    transform: translateY(-50%) scale(1.1); 
}

.products-nav.swiper-button-disabled { 
    opacity: 0.3; 
    pointer-events: none; 
}

.products-prev { 
    left: calc(50% - 900px); 
}

.products-next { 
    right: calc(50% - 900px); 
}

@media (max-width: 1800px) {
    .products-prev { left: 30px; }
    .products-next { right: 30px; }
}

/* Swiper Pagination */
.products-pagination { 
    margin-top: 40px; 
    display: flex; 
    justify-content: center; 
    gap: 8px; 
}

.products-pagination .swiper-pagination-bullet { 
    width: 12px; 
    height: 12px; 
    background: #d1d5db; 
    opacity: 1; 
    transition: 0.3s; 
}

.products-pagination .swiper-pagination-bullet-active { 
    background: var(--accent); 
    width: 36px; 
    border-radius: 6px; 
}

/* ==========================================================================
   11. Calculator Section
   ========================================================================== */
.calc { 
    padding: 80px 5%; 
    background: linear-gradient(135deg, #1e3a5f 0%, #1e293b 50%, #0f172a 100%); 
    color: white; 
    border-radius: 50px; 
    position: relative; 
    overflow: hidden; 
}

.calc::before { 
    content: ''; 
    position: absolute; 
    top: -50%; 
    right: -20%; 
    width: 60%; 
    height: 200%; 
    background: radial-gradient(circle, rgba(30, 64, 175, 0.15) 0%, transparent 70%); 
    pointer-events: none; 
}

.calc-inner { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    flex-wrap: wrap; 
    gap: 50px; 
    position: relative; 
    z-index: 1; 
}

.calc-content { 
    max-width: 480px; 
}

.calc-content h2 { 
    font-size: clamp(28px, 3.5vw, 42px); 
    margin-bottom: 16px; 
}

.calc-content p { 
    opacity: 0.85; 
    font-size: 16px; 
    line-height: 1.7; 
}

.calc-form { 
    flex: 1; 
    min-width: 320px; 
    max-width: 450px; 
}

.calc-input-group { 
    margin-bottom: 24px; 
}

.calc-input-group label { 
    display: block; 
    font-weight: 600; 
    margin-bottom: 12px; 
    font-size: 15px; 
}

input[type=range] { 
    width: 100%; 
    height: 10px; 
    border-radius: 5px; 
    accent-color: var(--accent-light); 
    margin: 16px 0; 
    -webkit-appearance: none; 
    appearance: none; 
    background: rgba(255,255,255,0.15); 
}

input[type=range]::-webkit-slider-thumb { 
    -webkit-appearance: none; 
    width: 24px; 
    height: 24px; 
    border-radius: 50%; 
    background: var(--accent-light); 
    cursor: pointer; 
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.5); 
}

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

.calc-result span { 
    font-size: clamp(48px, 6vw, 72px); 
    font-weight: 800; 
    color: var(--accent-light); 
    display: block; 
}

.calc-result small { 
    opacity: 0.7; 
    font-size: 14px; 
}

.calc-hint { 
    margin-top: 16px; 
    font-size: 13px; 
    opacity: 0.7; 
}

/* ==========================================================================
   12. Contact Section
   ========================================================================== */
.contact { 
    padding: 120px 0; 
}

.contact-grid { 
    display: grid; 
    grid-template-columns: 1fr 1.2fr; 
    gap: 80px; 
    align-items: start; 
}

.contact-info h2 { 
    font-size: clamp(32px, 4vw, 42px); 
    margin-bottom: 24px; 
}

.contact-info p { 
    color: var(--text-muted); 
    margin-bottom: 32px; 
    line-height: 1.8; 
}

.contact-cards { 
    display: flex; 
    flex-direction: column; 
    gap: 20px; 
}

.contact-card { 
    display: flex; 
    align-items: center; 
    gap: 24px; 
    padding: 28px; 
    background: var(--bg-alt); 
    border-radius: 24px; 
    border: 1px solid #eee; 
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.contact-card:hover { 
    border-color: var(--accent); 
    box-shadow: var(--shadow); 
    transform: translateY(-4px); 
}

.contact-card i { 
    font-size: 28px; 
    color: var(--accent); 
    width: 50px; 
    height: 50px; 
    background: rgba(30, 64, 175, 0.1); 
    border-radius: 16px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    flex-shrink: 0; 
}

.contact-card h4 { 
    font-size: 16px; 
    margin-bottom: 4px; 
}

.contact-card a, 
.contact-card span { 
    color: var(--text-muted); 
    text-decoration: none; 
    font-size: 15px; 
    transition: color 0.3s; 
}

.contact-card a:hover { 
    color: var(--accent); 
}

.contact-map-wrap { 
    background: var(--bg-alt); 
    border-radius: var(--radius); 
    border: 1px solid #eee; 
    overflow: hidden; 
    box-shadow: var(--shadow); 
    min-height: 420px; 
}

.contact-map-wrap iframe { 
    width: 100%; 
    height: 420px; 
    border: none; 
    display: block; 
}

/* ==========================================================================
   13. Footer
   ========================================================================== */
footer { 
    background: var(--primary); 
    color: white; 
    padding: 80px 0 40px; 
}

.footer-grid { 
    display: grid; 
    grid-template-columns: 2fr 1fr 1fr 1fr; 
    gap: 60px; 
    margin-bottom: 60px; 
}

.footer-brand .logo { 
    margin-bottom: 20px; 
}

.footer-brand .logo img { 
    height: 52px; 
}

.footer-brand p { 
    opacity: 0.8; 
    font-size: 15px; 
    line-height: 1.8; 
    max-width: 320px; 
    margin-bottom: 24px; 
}

.footer-social { 
    display: flex; 
    gap: 12px; 
}

.footer-social a { 
    width: 44px; 
    height: 44px; 
    background: rgba(255,255,255,0.1); 
    border-radius: 12px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: white; 
    transition: 0.3s; 
}

.footer-social a:hover { 
    background: var(--accent); 
    transform: translateY(-3px); 
}

.footer-col h4 { 
    font-size: 14px; 
    font-weight: 700; 
    letter-spacing: 1px; 
    margin-bottom: 24px; 
    opacity: 0.9; 
}

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

.footer-col a { 
    color: rgba(255,255,255,0.75); 
    text-decoration: none; 
    font-size: 15px; 
    transition: color 0.3s; 
    display: block; 
    margin-bottom: 12px; 
}

.footer-col a:hover { 
    color: white; 
}

.footer-bottom { 
    padding-top: 30px; 
    border-top: 1px solid rgba(255,255,255,0.1); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    flex-wrap: wrap; 
    gap: 20px; 
}

.footer-bottom p { 
    opacity: 0.6; 
    font-size: 14px; 
}

/* ==========================================================================
   14. WhatsApp Float Button
   ========================================================================== */
.whatsapp-float {
    position: fixed; 
    bottom: 30px; 
    right: 30px; 
    z-index: 999;
    width: 60px; 
    height: 60px; 
    background: #25d366; 
    color: white;
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 32px; 
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
    transition: 0.3s; 
    text-decoration: none;
}

.whatsapp-float:hover { 
    transform: scale(1.1); 
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6); 
    color: white; 
}

/* ==========================================================================
   15. Responsive Design
   ========================================================================== */
@media (min-width: 769px) {
    .nav-overlay { display: none !important; }
}

@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 50px; }
    .about-content { padding-left: 0; }
    .about-features { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .p-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-content { max-width: 55%; padding: 0 4%; }
    .hero-img-wrap { width: 45%; right: 4%; }
    .contact-grid { grid-template-columns: 1fr; gap: 50px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    /* Navigation */
    #nav { padding: 12px 16px; max-width: 100vw; overflow: visible; }
    .logo { flex-shrink: 0; }
    .logo img { height: 38px; }
    .nav-menu { 
        position: fixed; top: 0; right: -100%; width: 80%; max-width: 280px; height: 100vh;
        background: white; flex-direction: column; padding: 90px 30px 30px; gap: 20px;
        box-shadow: -10px 0 40px rgba(0,0,0,0.2); transition: right 0.35s ease;
        z-index: 1001; align-items: flex-start;
    }
    .nav-menu.active { right: 0; }
    .nav-menu a { font-size: 16px; padding: 8px 0; }
    body.menu-open { overflow: hidden; }
    .nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999; }
    .nav-overlay.active { display: block; }
    .hamburger { display: flex !important; z-index: 1002; flex-shrink: 0; padding: 8px; }
    .nav-cta { display: none; }
    
    /* Hero */
    .hero { flex-direction: column; padding: 90px 20px 50px; min-height: auto; }
    .hero-img-wrap { 
        position: relative; width: 90%; max-width: 320px; right: auto; 
        margin: 0 auto 30px; order: 1;
    }
    .hero-content { 
        max-width: 100%; text-align: center; order: 2; 
        padding: 0; margin: 0 auto;
    }
    .hero-content h1 { font-size: 28px; letter-spacing: -1px; line-height: 1.1; margin-bottom: 16px; }
    .hero-content h1 .line-accent { display: none; }
    .hero-content p { font-size: 15px; margin-bottom: 24px; padding: 0 10px; }
    .hero-badges { justify-content: center; gap: 8px; margin-bottom: 24px; }
    .hero-badge { padding: 8px 14px; font-size: 12px; }
    .hero-badge-emergency { display: none; }
    .hero-cta-mobile { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
    .hero-cta-mobile .btn { padding: 14px 24px; font-size: 14px; }
    .hero-tag { font-size: 11px; padding: 6px 12px; margin-bottom: 16px; }
    .hero-bg-text { display: none; }
    .hero-scroll { display: none; }
    .hero-particles { display: none; }
    
    /* References */
    .references { padding: 40px 0; }
    .references-title { font-size: 11px; margin-bottom: 24px; }
    .ref-logo { height: 36px; padding: 0 20px; }
    .ref-logo img { max-height: 32px; }
    
    /* About */
    .about { padding: 60px 0; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-content { padding-left: 0; text-align: center; }
    .about-features { grid-template-columns: 1fr; }
    .about-img-wrap::before { display: none; }
    
    /* Services */
    .services { padding: 60px 0; }
    .section-header { margin-bottom: 40px; }
    .section-header h2 { font-size: 26px; }
    .service-grid { grid-template-columns: 1fr; gap: 16px; }
    .s-card { padding: 28px 24px; }
    .s-card > i { width: 60px; height: 60px; font-size: 32px; border-radius: 14px; }
    .s-card-btn { padding: 12px 18px; font-size: 13px; }
    
    /* Products */
    .products { padding: 60px 0; overflow: hidden; }
    .products-slider-wrap { margin: 0; padding: 0; }
    .products-nav { display: none; }
    .products-swiper { padding: 20px 0 40px; }
    .products-swiper .swiper-slide { 
        width: 280px !important; 
        transform: scale(0.9); 
        opacity: 0.5;
    }
    .products-swiper .swiper-slide-active { 
        transform: scale(1); 
        opacity: 1; 
    }
    .p-card { border-radius: 20px; min-height: 380px; }
    .p-card::before { height: 3px; }
    .p-img { height: 160px; padding: 20px; }
    .p-info { padding: 20px; }
    .p-info h3 { font-size: 17px; }
    .p-info p { font-size: 13px; margin-bottom: 14px; }
    .p-tag { padding: 10px 16px; font-size: 12px; }
    .products-pagination { margin-top: 24px; }
    
    /* Calculator */
    .calc { padding: 40px 20px; border-radius: 24px; }
    .calc-inner { flex-direction: column; align-items: stretch; gap: 30px; }
    .calc-form { max-width: 100%; }
    .calc-content h2 { font-size: 24px; }
    .calc-result span { font-size: 48px; }
    
    /* Contact */
    .contact { padding: 60px 0; }
    .contact-grid { gap: 40px; }
    .contact-info h2 { font-size: 26px; }
    .contact-cards { gap: 12px; }
    .contact-card { padding: 20px; }
    .contact-map-wrap, .contact-map-wrap iframe { min-height: 280px; height: 280px; border-radius: 20px; }
    
    /* Footer */
    footer { padding: 50px 0 30px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 30px; }
    .footer-brand p { margin-left: auto; margin-right: auto; }
    .footer-social { justify-content: center; }
    .footer-col { margin-bottom: 0; }
    
    /* WhatsApp */
    .whatsapp-float { width: 52px; height: 52px; font-size: 26px; bottom: 20px; right: 20px; }
    
    /* Section dividers */
    .section-divider-accent { width: 60px; height: 3px; margin: 30px auto; }
}

/* Loading States */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(30, 64, 175, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p {
    color: var(--text-muted);
    font-size: 16px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.3s;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb span:not([id]) {
    color: var(--text-muted);
}