/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-primary: #0088CC;
    --color-accent: #00D9FF;
    --color-dark: #1A1A2E;
    --color-darker: #0F0F1A;
    --color-black: #0a0a14;
    --color-white: #FFFFFF;
    --color-gray-100: #F5F5F7;
    --color-gray-200: #E5E5E7;
    --color-gray-300: #C5C5C7;
    --color-gray-400: #8E8E93;
    --color-gray-500: #636366;
    --color-gray-600: #48484A;
    --color-gray-700: #363638;
    --color-gray-800: #2C2C2E;
    --color-gray-900: #1C1C1E;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    --gradient-dark: linear-gradient(180deg, var(--color-dark), var(--color-darker));
    --gradient-glow: radial-gradient(circle at center, rgba(0, 217, 255, 0.15), transparent 70%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(0, 136, 204, 0.3);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--color-darker);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.nav.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(15, 15, 26, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-text {
    color: var(--color-white);
}

.logo-dot {
    color: var(--color-accent);
}

.nav-links {
    display: none;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-300);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.lang-switcher {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-xs);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.lang-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-400);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-white);
}

.lang-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

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

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

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

/* Mobile Nav */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-toggle {
        display: none;
    }
}

/* Mobile Menu */
.nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: rgba(15, 15, 26, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 60%;
    background: radial-gradient(ellipse at center top, rgba(0, 136, 204, 0.15), transparent 60%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: linear-gradient(to bottom, black, transparent);
    -webkit-mask-image: linear-gradient(to bottom, black, transparent);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-accent);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-title span {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-gray-400);
    max-width: 500px;
    margin: 0 auto var(--space-2xl);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #2c2c2e, #1c1c1e);
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #0a0a14;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-dark);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-md) var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.app-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.app-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-messages {
    flex: 1;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.message {
    max-width: 85%;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.5;
    animation: messageIn 0.5s ease forwards;
    opacity: 0;
}

.message.user {
    align-self: flex-end;
    background: var(--color-primary);
    border-bottom-right-radius: var(--radius-sm);
    animation-delay: 0.5s;
}

.message.bot {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border-bottom-left-radius: var(--radius-sm);
    animation-delay: 1.5s;
}

.message.bot.typing {
    display: flex;
    gap: 4px;
    padding: var(--space-md) var(--space-lg);
}

.message.bot.typing span {
    width: 8px;
    height: 8px;
    background: var(--color-gray-400);
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.message.bot.typing span:nth-child(2) { animation-delay: 0.2s; }
.message.bot.typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--color-gray-600);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-gray-400);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.3; transform: translateY(6px); }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(0, 136, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

/* ===== Section Styles ===== */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 136, 204, 0.1);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Services Section ===== */
.services {
    background: var(--color-darker);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: var(--transition-base);
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 136, 204, 0.3);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 136, 204, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-desc {
    color: var(--color-gray-400);
    margin-bottom: var(--space-lg);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--color-gray-300);
}

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

/* ===== Cases Section ===== */
.cases {
    background: var(--color-dark);
}

.cases-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4xl);
}

.case-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.case-visual {
    display: flex;
    justify-content: center;
}

.case-phone {
    position: relative;
    width: 240px;
    height: 480px;
    background: linear-gradient(135deg, #2c2c2e, #1c1c1e);
    border-radius: 36px;
    padding: 10px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.case-phone::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 20px;
    background: #0a0a14;
    border-radius: 16px;
}

.case-screen {
    width: 100%;
    height: 100%;
    background: var(--color-darker);
    border-radius: 28px;
    overflow: hidden;
    padding: var(--space-lg);
}

/* Sulum Screen */
.sulum-screen .chat-demo {
    padding-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-demo .msg-bot,
.chat-demo .msg-user {
    max-width: 90%;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    line-height: 1.5;
}

.chat-demo .msg-bot {
    background: rgba(255, 255, 255, 0.05);
    align-self: flex-start;
    border-bottom-left-radius: var(--radius-sm);
}

.chat-demo .msg-user {
    background: var(--color-primary);
    align-self: flex-end;
    border-bottom-right-radius: var(--radius-sm);
}

/* E-commerce Screen */
.ecom-screen .ecom-demo {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.ecom-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ecom-logo {
    width: 60px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.ecom-cart {
    position: relative;
}

.ecom-cart svg {
    width: 20px;
    height: 20px;
    color: var(--color-gray-300);
}

.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
}

.ecom-products {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.ecom-product {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.ecom-buy-btn {
    background: var(--gradient-primary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: var(--space-md);
}

/* Browser Mockup */
.case-browser {
    width: 100%;
    max-width: 400px;
    background: linear-gradient(135deg, #2c2c2e, #1c1c1e);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.browser-dots {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.browser-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.browser-dots span:nth-child(1) { background: #ff5f56; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #27ca40; }

.browser-url {
    padding: 8px 12px;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-family: var(--font-mono);
}

.znai-screen {
    background: var(--color-darker);
    border-radius: var(--radius-sm);
    min-height: 200px;
}

.znai-demo {
    display: flex;
    height: 200px;
}

.znai-sidebar {
    width: 60px;
    background: rgba(255, 255, 255, 0.02);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.znai-menu-item {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.znai-menu-item.active {
    background: var(--color-primary);
}

.znai-main {
    flex: 1;
    padding: var(--space-md);
}

.znai-title {
    height: 12px;
    width: 60%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin-bottom: var(--space-md);
}

.znai-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.znai-card {
    height: 60px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Case Content */
.case-content {
    text-align: center;
}

.case-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 136, 204, 0.1);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.case-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-xs);
}

.case-subtitle {
    font-size: 1rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-md);
}

.case-desc {
    color: var(--color-gray-300);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.case-tech {
    margin-bottom: var(--space-lg);
}

.tech-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-sm);
}

.tech-stack {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.tech-item {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.tech-item:hover {
    background: rgba(0, 136, 204, 0.2);
    transform: translateY(-2px);
}

.tech-item i,
.tech-item svg {
    font-size: 20px;
    width: 20px;
    height: 20px;
    color: var(--color-gray-300);
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.case-link:hover {
    background: rgba(0, 136, 204, 0.1);
    border-color: var(--color-primary);
    color: var(--color-accent);
}

/* ===== Pricing Section ===== */
.pricing {
    background: var(--color-darker);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 136, 204, 0.3);
}

.pricing-card.featured {
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.1), rgba(0, 217, 255, 0.05));
    border-color: rgba(0, 136, 204, 0.3);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: var(--space-xl);
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--color-gray-400);
}

.pricing-price {
    margin-bottom: var(--space-xl);
}

.price-currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-400);
    vertical-align: top;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.price-period {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: var(--space-xs);
}

.pricing-features {
    margin-bottom: var(--space-xl);
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--color-gray-300);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.pricing-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 600;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: var(--space-2xl);
}

/* ===== About Section ===== */
.about {
    background: var(--color-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-content .section-tag,
.about-content .section-title {
    text-align: left;
}

.about-text {
    margin-bottom: var(--space-2xl);
}

.about-text p {
    color: var(--color-gray-300);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray-400);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    max-width: 300px;
}

.about-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 auto var(--space-lg);
}

.about-avatar-img {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    object-fit: cover;
    margin: 0 auto var(--space-lg);
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.3);
}

.about-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.about-role {
    color: var(--color-gray-400);
    margin-bottom: var(--space-lg);
}

.about-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.about-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.about-links a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ===== Contact Section ===== */
.contact {
    background: var(--color-darker);
    padding: var(--space-4xl) 0;
}

.contact-card {
    background: linear-gradient(135deg, rgba(0, 136, 204, 0.1), rgba(0, 217, 255, 0.05));
    border: 1px solid rgba(0, 136, 204, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-2xl);
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-info {
    font-size: 0.9rem;
    color: var(--color-gray-500);
}

.contact-info .divider {
    margin: 0 var(--space-md);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-black);
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--color-gray-600);
}

/* ===== Animations ===== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ===== Responsive ===== */
@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
    }

    .contact-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .case-card {
        grid-template-columns: 1fr 1fr;
    }

    .case-card.reverse .case-visual {
        order: 2;
    }

    .case-content {
        text-align: left;
    }

    .tech-stack {
        justify-content: flex-start;
    }

    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-grid {
        grid-template-columns: 1.5fr 1fr;
    }
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }

    .hero-content {
        text-align: left;
    }

    .hero-subtitle {
        margin: 0 0 var(--space-2xl);
    }

    .hero-cta {
        justify-content: flex-start;
    }

    .hero-badge {
        margin-left: 0;
    }
}

/* ===== Utilities ===== */
.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;
}

.phone-mockup { display: none !important; }


.hero-visual {
    position: relative;
}


/* Remove overlay */

/* Clean Phone Frame Style */
img.hero-phone-real {
    max-width: 320px !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 32px !important;
    border: 6px solid #1a1a2e !important;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.05) !important;
    display: block !important;
}