/* ============================================
   GLOBAL STYLES - MODERN & ELEGANT
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy: #0A1D37;
    --navy-light: #1a2d4f;
    --cyan: #00C2D1;
    --cyan-dark: #00A8B5;
    --cyan-light: #00D9EA;
    --white: #FFFFFF;
    --light-gray: #F8FAFC;
    --gray: #E2E8F0;
    --dark-gray: #64748B;
    --text-dark: #1E293B;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(10, 29, 55, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 29, 55, 0.12);
    --shadow-lg: 0 8px 32px rgba(10, 29, 55, 0.16);
    --shadow-xl: 0 16px 48px rgba(10, 29, 55, 0.24);
    --gradient-primary: linear-gradient(135deg, #0A1D37 0%, #1a2d4f 100%);
    --gradient-cyan: linear-gradient(135deg, #00C2D1 0%, #00D9EA 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10, 29, 55, 0.98) 0%, rgba(0, 194, 209, 0.4) 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 120px 0;
    position: relative;
}

/* ============================================
   HEADER NAVIGATION - MODERN & STICKY
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 29, 55, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(10, 29, 55, 0.98);
    box-shadow: 0 4px 20px rgba(10, 29, 55, 0.3);
    border-bottom: 1px solid rgba(0, 194, 209, 0.2);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    gap: 40px;
}

/* Logo */
.header-logo a {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: var(--transition);
    white-space: nowrap;
}

.header-logo a:hover {
    color: var(--cyan);
}

/* Navigation Menu */
.header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--cyan);
}

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

/* CTA Button */
.header-cta {
    display: flex;
    align-items: center;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    background: var(--gradient-cyan);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(0, 194, 209, 0.3);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 194, 209, 0.4);
    background: linear-gradient(135deg, #00D9EA 0%, #00C2D1 100%);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .header-content {
        gap: 20px;
    }
    
    .mobile-menu-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 998;
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }
    
    .mobile-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .header-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--gradient-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 32px 32px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
        z-index: 999;
    }
    
    .header-nav.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
        align-items: flex-start;
        margin-bottom: 32px;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-link {
        display: block;
        padding: 20px 0;
        width: 100%;
        font-size: 1.0625rem;
    }
    
    .nav-link::after {
        display: none;
    }
    
    /* CTA Button in Mobile Menu */
    .header-cta {
        width: 100%;
        margin-top: auto;
    }
    
    .header-cta .btn-cta {
        width: 100%;
        text-align: center;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-logo a {
        font-size: 1.125rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 16px 0;
    }
    
    .header-logo a {
        font-size: 1rem;
    }
    
    .btn-cta {
        padding: 10px 24px;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .header-nav {
        width: 100%;
    }
    
    .btn-cta {
        padding: 10px 20px;
        font-size: 0.8125rem;
    }
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--navy);
    text-align: center;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-description {
    text-align: center;
    color: var(--dark-gray);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 80px;
    line-height: 1.8;
}

/* ============================================
   HERO SECTION - SPLIT LAYOUT (NordVPN Style)
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--navy);
    padding: 120px 0 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 194, 209, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(0, 194, 209, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

/* Left Side: Content */
.hero-content {
    color: var(--white);
    max-width: 600px;
}

/* Badge/Award */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 194, 209, 0.1);
    border: 1px solid rgba(0, 194, 209, 0.3);
    border-radius: 20px;
    margin-bottom: 24px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-icon {
    width: 16px;
    height: 16px;
    stroke: var(--cyan);
}

.hero-badge span {
    color: var(--cyan);
}

/* Main Title */
.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 32px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--white);
}

/* Features List */
.hero-features {
    list-style: none;
    margin-bottom: 32px;
}

.hero-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.hero-features li svg {
    width: 24px;
    height: 24px;
    stroke: var(--cyan);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Promo Tag */
.hero-promo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(0, 194, 209, 0.15);
    border-left: 3px solid var(--cyan);
    border-radius: 8px;
    margin-bottom: 32px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--cyan);
}

.promo-icon {
    width: 18px;
    height: 18px;
    stroke: var(--cyan);
}

/* CTA Button - Prominent Red Style */
.hero-cta-button {
    display: inline-block;
    padding: 18px 48px;
    background: #EF4444;
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.125rem;
    border-radius: 10px;
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
    margin-bottom: 20px;
    text-align: center;
}

.hero-cta-button:hover {
    background: #DC2626;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(239, 68, 68, 0.5);
}

/* Guarantee */
.hero-guarantee {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.guarantee-icon {
    width: 18px;
    height: 18px;
    stroke: var(--cyan);
}

/* Right Side: Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 194, 209, 0.4) 0%, transparent 70%);
    filter: blur(60px);
    animation: pulse-glow 3s ease-in-out infinite;
    z-index: 0;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.visual-image-wrapper {
    position: relative;
    z-index: 1;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 500px;
    width: 100%;
}

.visual-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
}

.visual-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
}

.overlay-badge {
    background: rgba(10, 29, 55, 0.9);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid rgba(0, 194, 209, 0.3);
}

.badge-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10B981;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Platform Icons */
.platform-icons {
    position: absolute;
    left: -60px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 2;
}

.platform-item {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.platform-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
    opacity: 0.8;
}

.platform-item:hover {
    background: rgba(0, 194, 209, 0.2);
    border-color: var(--cyan);
    transform: translateX(5px);
}

.platform-item:hover svg {
    opacity: 1;
    stroke: var(--cyan);
}

/* Keep CTA Button class for other sections */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 56px;
    background: var(--gradient-cyan);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: 12px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 194, 209, 0.4);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0, 194, 209, 0.5);
    background: linear-gradient(135deg, #00D9EA 0%, #00C2D1 100%);
}

.cta-full {
    width: 100%;
    margin-top: 32px;
}

/* Hero Responsive Styles */
@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .platform-icons {
        left: 20px;
        top: auto;
        bottom: -40px;
        flex-direction: row;
        transform: none;
    }
    
    .visual-glow {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    
    .hero-features li {
        font-size: 0.9375rem;
    }
    
    .hero-cta-button {
        width: 100%;
        padding: 16px 32px;
        font-size: 1rem;
    }
    
    .visual-glow {
        width: 300px;
        height: 300px;
    }
    
    .platform-icons {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-wrapper {
        gap: 40px;
    }
    
    .hero-badge {
        font-size: 0.8125rem;
        padding: 6px 12px;
    }
    
    .hero-promo {
        font-size: 0.875rem;
        padding: 10px 16px;
    }
}

/* ============================================
   VALUE PROPOSITION - MODERN CARDS
   ============================================ */
.value-proposition {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 140px 0;
    position: relative;
}

.value-proposition::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 80px;
}

.value-card {
    background: var(--white);
    padding: 48px 32px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-cyan);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.value-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--cyan);
}

.value-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 32px;
    border-radius: 20px;
    background: var(--gradient-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 194, 209, 0.3);
    transition: var(--transition);
}

.value-icon svg {
    width: 48px;
    height: 48px;
    stroke: var(--white);
}

.value-card:hover .value-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(0, 194, 209, 0.4);
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.value-card p {
    color: var(--dark-gray);
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   SERVICES SECTION - ELEGANT GRID
   ============================================ */
.services {
    padding: 140px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.service-category {
    background: var(--white);
    border: 2px solid var(--gray);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.service-category:hover {
    border-color: var(--cyan);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.service-header {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.service-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(10, 29, 55, 0.95), transparent);
    z-index: 1;
}

.service-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-category:hover .service-header img {
    transform: scale(1.15);
}

.service-header h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: var(--white);
    padding: 32px 28px 24px;
    font-size: 1.5rem;
    font-weight: 700;
    z-index: 2;
    letter-spacing: -0.01em;
}

.service-list {
    list-style: none;
    padding: 36px 28px;
}

.service-list li {
    padding: 16px 0;
    color: var(--text-dark);
    border-bottom: 1px solid var(--gray);
    position: relative;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li svg {
    width: 22px;
    height: 22px;
    stroke: var(--cyan);
    flex-shrink: 0;
    transition: var(--transition);
    stroke-width: 2.5;
}

.service-list li:hover {
    color: var(--cyan);
    transform: translateX(4px);
}

.service-list li:hover svg {
    transform: scale(1.15);
    stroke: var(--cyan-dark);
}

/* ============================================
   WHY CHOOSE SECTION - MODERN LAYOUT
   ============================================ */
.why-choose {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 140px 0;
    position: relative;
}

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

.why-choose-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.why-choose-text > p {
    font-size: 1.125rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    padding: 20px 0;
    padding-left: 48px;
    color: var(--text-dark);
    font-size: 1.0625rem;
    position: relative;
    line-height: 1.7;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.benefits-list li:hover {
    transform: translateX(8px);
    color: var(--navy);
}

.benefits-list li svg {
    position: absolute;
    left: 0;
    width: 28px;
    height: 28px;
    stroke: var(--cyan);
    flex-shrink: 0;
    background: rgba(0, 194, 209, 0.1);
    border-radius: 8px;
    padding: 4px;
}

.why-choose-image {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.why-choose-image::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-cyan);
    border-radius: 24px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.why-choose-image:hover::before {
    opacity: 1;
}

.why-choose-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.why-choose-image:hover img {
    transform: scale(1.05);
}

/* ============================================
   TOOLS SECTION - MODERN GRID
   ============================================ */
.tools {
    background: var(--white);
    padding: 140px 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 80px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    align-items: start;
}

/* Wrapper for bottom row to center 3 items proportionally */
.tools-row-bottom {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: start;
    gap: 32px;
    flex-wrap: wrap;
}

.tools-row-bottom .tool-item {
    flex: 0 0 calc(25% - 24px); /* Same width as top row items */
    max-width: calc(25% - 24px);
}

.tool-item {
    text-align: center;
    padding: 48px 24px;
    background: var(--light-gray);
    border-radius: 20px;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.tool-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-cyan);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.tool-item:hover {
    transform: translateY(-8px);
    border-color: var(--cyan);
    box-shadow: var(--shadow-lg);
}

.tool-item:hover h4 {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.tool-icon {
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.tool-icon svg {
    width: 56px;
    height: 56px;
    stroke: var(--cyan);
    transition: var(--transition);
}

.tool-item:hover .tool-icon svg {
    stroke: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.tool-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

/* ============================================
   PORTFOLIO SECTION - MODERN GALLERY
   ============================================ */
.portfolio {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 140px 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 80px;
}

.portfolio-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 360px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover img {
    transform: scale(1.15);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10, 29, 55, 0.95), transparent);
    padding: 40px 32px;
    color: var(--white);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    background: linear-gradient(to top, rgba(0, 194, 209, 0.95), transparent);
    padding-bottom: 48px;
}

.portfolio-overlay h4 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* ============================================
   TESTIMONIALS SECTION - ELEGANT CARDS
   ============================================ */
.testimonials {
    background: var(--white);
    padding: 140px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.testimonial-card {
    background: var(--light-gray);
    padding: 48px 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 24px;
    left: 32px;
    font-size: 5rem;
    color: var(--cyan);
    opacity: 0.2;
    font-weight: 800;
    line-height: 1;
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--cyan);
}

.testimonial-content {
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.testimonial-content p {
    font-size: 1.0625rem;
    color: var(--text-dark);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author strong {
    display: block;
    color: var(--navy);
    font-weight: 700;
    margin-bottom: 6px;
    font-size: 1.0625rem;
}

.testimonial-author span {
    color: var(--dark-gray);
    font-size: 0.9375rem;
}

/* ============================================
   CONTACT FORM SECTION - MODERN FORM
   ============================================ */
.contact {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding: 140px 0;
}

.contact-form {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 64px;
    border-radius: 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 32px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--navy);
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 4px rgba(0, 194, 209, 0.1);
}

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

/* ============================================
   FOOTER - ELEGANT DESIGN
   ============================================ */
.footer {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 80px 0 40px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--cyan);
    font-weight: 700;
}

.footer-info p {
    line-height: 1.8;
    opacity: 0.9;
    font-size: 1rem;
}

.footer-contact p {
    margin-bottom: 16px;
    line-height: 1.8;
    font-size: 1rem;
}

.footer-contact a {
    color: var(--cyan);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.footer-contact a:hover {
    color: var(--cyan-light);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
    font-size: 0.9375rem;
}

/* ============================================
   ANIMATIONS - SMOOTH & MODERN
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger animation delay */
.value-card:nth-child(1) { transition-delay: 0.1s; }
.value-card:nth-child(2) { transition-delay: 0.2s; }
.value-card:nth-child(3) { transition-delay: 0.3s; }
.value-card:nth-child(4) { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 100px 0;
    }
    
    .why-choose-content {
        gap: 60px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 32px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .why-choose-image {
        order: -1;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        padding: 48px 32px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    
    .value-proposition,
    .services,
    .why-choose,
    .tools,
    .portfolio,
    .testimonials,
    .contact {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1rem;
        margin-bottom: 60px;
    }

    .value-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .value-card {
        padding: 40px 24px;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .tools-row-bottom {
        flex-direction: column;
        align-items: center;
    }
    
    .tools-row-bottom .tool-item {
        flex: 0 0 100%;
        max-width: 100%;
    }

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

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

    .contact-form {
        padding: 40px 24px;
        border-radius: 24px;
    }
    
    .cta-button {
        width: 100%;
        padding: 18px 32px;
        font-size: 1rem;
    }
    
    .hero {
        min-height: auto;
        padding: 80px 0 60px;
    }
    
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .hero-visual {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .platform-icons {
        display: none;
    }
    
    .service-header {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
        margin-bottom: 24px;
    }
    
    .hero-features li {
        margin-bottom: 12px;
        font-size: 0.875rem;
    }
    
    .hero-cta-button {
        width: 100%;
        padding: 14px 28px;
        font-size: 0.9375rem;
    }
    
    .visual-glow {
        width: 250px;
        height: 250px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .service-header {
        height: 180px;
    }
    
    .service-header h3 {
        font-size: 1.25rem;
        padding: 24px 20px 20px;
    }
    
    .value-icon {
        width: 80px;
        height: 80px;
    }
    
    .value-icon svg {
        width: 40px;
        height: 40px;
    }
}