/* ============================================
   ChannelNav — Design System & Styles
   by Lumicraft Foundry LTD
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --color-bg: #0A0E1A;
    --color-bg-elevated: #111827;
    --color-bg-card: rgba(17, 24, 39, 0.6);
    --color-bg-card-hover: rgba(24, 34, 56, 0.8);
    --color-surface: #1F2937;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    --color-text: #F9FAFB;
    --color-text-secondary: #9CA3AF;
    --color-text-tertiary: #6B7280;

    --color-blue: #3B82F6;
    --color-blue-light: #60A5FA;
    --color-teal: #06B6D4;
    --color-teal-light: #22D3EE;
    --color-purple: #8B5CF6;
    --color-green: #10B981;

    --gradient-primary: linear-gradient(135deg, #3B82F6, #06B6D4);
    --gradient-accent: linear-gradient(135deg, #3B82F6, #8B5CF6);
    --gradient-text: linear-gradient(135deg, #60A5FA, #22D3EE);
    --gradient-card: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.05));

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.15);
    --shadow-glow-teal: 0 0 40px rgba(6, 182, 212, 0.15);

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

/* --- 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-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

input, textarea {
    font-family: inherit;
}

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

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

/* --- Section Header --- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-4xl);
}

.section-header__tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-teal);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.section-header__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.section-header__desc {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: var(--transition-base);
}

.nav--scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) 0;
}

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

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    z-index: 10;
}

.nav__logo-icon {
    display: flex;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav__link:hover {
    color: var(--color-text);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav__link:hover::after {
    transform: scaleX(1);
}

.nav__link--cta {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    opacity: 0.9;
    color: white;
    box-shadow: var(--shadow-glow-blue);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 10;
    padding: 4px;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.25);
}

.btn--primary:hover {
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.btn--ghost {
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    background: transparent;
}

.btn--ghost:hover {
    color: var(--color-text);
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.03);
}

.btn--outline {
    color: var(--color-text);
    border: 1px solid var(--color-border);
    background: transparent;
}

.btn--outline:hover {
    border-color: var(--color-blue);
    background: rgba(59, 130, 246, 0.05);
}

.btn--lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.btn--block {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-5xl) 0 var(--space-4xl);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__grid {
    position: absolute;
    inset: 0;
    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;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.hero__glow--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero__glow--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-teal-light);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease-out;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-teal);
    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(0.8); }
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

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

.hero__subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.hero__stat-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--space-5xl) 0;
    position: relative;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.service-card__icon--blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-blue-light);
}

.service-card__icon--teal {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-teal-light);
}

.service-card__icon--purple {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-purple);
}

.service-card__icon--green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-green);
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.service-card__features {
    margin-bottom: var(--space-lg);
}

.service-card__features li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: 0.375rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gradient-primary);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-blue-light);
    transition: var(--transition-fast);
}

.service-card__link:hover {
    gap: var(--space-sm);
}

.service-card--coming-soon {
    border-style: dashed;
}

/* ============================================
   Why ChannelNav Section
   ============================================ */
.why {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-elevated);
    position: relative;
}

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

.why__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.why-card {
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all var(--transition-slow);
}

.why-card:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border);
}

.why-card__number {
    font-size: 0.8125rem;
    font-weight: 700;
    font-family: var(--font-mono);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.why-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.why-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   How It Works Section
   ============================================ */
.how {
    padding: var(--space-5xl) 0;
    position: relative;
}

.how__steps {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

.how-step {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
    position: relative;
}

.how-step__connector {
    display: none;
}

.how-step__number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 800;
    color: white;
    position: relative;
}

.how-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 28px;
    top: 64px;
    bottom: -48px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.3), transparent);
}

.how-step__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.how-step__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-elevated);
    position: relative;
}

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

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-slow);
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
}

.pricing-card--featured {
    border-color: rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.04));
    box-shadow: var(--shadow-glow-blue);
}

.pricing-card--featured:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.pricing-card__desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.pricing-card__price {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.pricing-card__soon {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card__currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    vertical-align: super;
}

.pricing-card__amount {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-card__period {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 400;
}

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

.pricing-card__features li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
}

.pricing-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 8L6.5 11.5L13 5' stroke='%2322D3EE' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--space-5xl) 0;
    position: relative;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
}

.about__text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.about__text strong {
    color: var(--color-text);
    font-weight: 600;
}

.about__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.about__detail {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.about__detail svg {
    color: var(--color-teal);
    flex-shrink: 0;
}

.about__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.about__card-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.about__card-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-border-hover);
}

.about__card-icon {
    color: var(--color-blue-light);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-elevated);
    position: relative;
}

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

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.contact__text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__info-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.contact__info-item svg {
    color: var(--color-teal);
    flex-shrink: 0;
}

.contact__info-item a {
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.contact__info-item a:hover {
    color: var(--color-text);
}

/* Form */
.contact__form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-optional {
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-text-tertiary);
}

.form-input:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    text-align: center;
    margin-top: var(--space-md);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
    max-width: 280px;
    line-height: 1.6;
}

.footer__heading {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

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

.footer__links a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    padding: 0.25rem 0;
}

.footer__links a:hover {
    color: var(--color-text);
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer__copyright {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-xs);
}

.footer__legal {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    opacity: 0.7;
}

/* ============================================
   Scroll Animations
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Form Success State
   ============================================ */
.form-success {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.form-success__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    color: var(--color-green);
}

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

.form-success__text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }

    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .footer__grid > :last-child {
        grid-column: span 1;
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    .nav__links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }

    .nav__links.is-open {
        opacity: 1;
        visibility: visible;
    }

    .nav__links .nav__link {
        font-size: 1.25rem;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.is-open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.is-open span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.is-open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .hero__stat-divider {
        display: none;
    }

    .hero__stat {
        flex-direction: row;
        gap: var(--space-sm);
        align-items: baseline;
    }

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

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

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

    .pricing-card:last-child {
        grid-column: auto;
        max-width: none;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact__wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .footer__brand {
        grid-column: span 2;
    }

    .how-step {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .how-step:not(:last-child)::after {
        left: 50%;
        transform: translateX(-50%);
        top: 56px;
        bottom: -48px;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero {
        padding: var(--space-4xl) 0 var(--space-2xl);
    }

    .section-header {
        margin-bottom: var(--space-2xl);
    }

    .services,
    .why,
    .how,
    .pricing,
    .about,
    .contact {
        padding: var(--space-3xl) 0;
    }

    .service-card {
        padding: var(--space-xl);
    }

    .pricing-card {
        padding: var(--space-xl);
    }

    .contact__form {
        padding: var(--space-xl);
    }

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

    .footer__brand {
        grid-column: auto;
    }
}