/* ===================================
   SwimPortal Landing Page Styles
   =================================== */

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

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --secondary: #2563eb;
    --secondary-dark: #1d4ed8;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --orange: #f97316;
    --purple: #8b5cf6;
    --indigo: #6366f1;
    --teal: #14b8a6;
    --cyan: #06b6d4;
    --red: #ef4444;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;

    --white: #ffffff;
    --black: #000000;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--gray-900);
    line-height: 1.3;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Section Header
   =================================== */
.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section__badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--primary-50);
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    border: 1px solid var(--primary-100);
}

.section__title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: 16px;
}

.section__subtitle {
    font-size: 18px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.4);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(14, 165, 233, 0.5);
}

.btn--outline {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}
.btn--outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-50);
}

.btn--white {
    background: var(--white);
    color: var(--primary-dark);
    border-color: var(--white);
    box-shadow: var(--shadow-lg);
}
.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn--outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}
.btn--outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn--sm { padding: 8px 20px; font-size: 14px; }
.btn--lg { padding: 16px 36px; font-size: 16px; }
.btn--block { width: 100%; }

/* ===================================
   Header / Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    color: var(--gray-800);
    font-weight: 400;
}
.nav__logo strong {
    font-weight: 800;
}
.nav__logo-icon {
    flex-shrink: 0;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.nav__link:hover {
    color: var(--primary);
    background: var(--primary-50);
}

.nav__cta {
    margin-left: 8px;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 100%);
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero__wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 200%;
    height: 120px;
    background: var(--white);
}

.hero__wave--1 {
    border-radius: 100% 100% 0 0;
    opacity: 0.3;
    animation: wave 8s ease-in-out infinite;
}
.hero__wave--2 {
    border-radius: 100% 100% 0 0;
    opacity: 0.2;
    animation: wave 10s ease-in-out infinite reverse;
    height: 100px;
}
.hero__wave--3 {
    border-radius: 100% 100% 0 0;
    opacity: 0.4;
    animation: wave 12s ease-in-out infinite;
    height: 80px;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-25%); }
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 80px;
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(37, 99, 235, 0.1));
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.hero__title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 18px;
    color: var(--gray-500);
    margin-bottom: 36px;
    max-width: 520px;
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 40px;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-900);
}

.hero__stat-label {
    display: block;
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
    margin-top: 4px;
}

/* Hero Mockup */
.hero__visual {
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.hero__mockup {
    width: 100%;
    max-width: 560px;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}
.hero__mockup:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.mockup__browser {
    background: var(--gray-800);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mockup__dots {
    display: flex;
    gap: 6px;
}
.mockup__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.mockup__dots span:nth-child(1) { background: #ef4444; }
.mockup__dots span:nth-child(2) { background: #f59e0b; }
.mockup__dots span:nth-child(3) { background: #10b981; }

.mockup__url {
    flex: 1;
    background: var(--gray-700);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    font-size: 12px;
    color: var(--gray-400);
}

.mockup__screen {
    background: var(--gray-50);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.mockup__dashboard {
    display: flex;
    min-height: 300px;
}

.mockup__sidebar {
    width: 48px;
    background: var(--gray-900);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mockup__sidebar-item {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--gray-700);
    transition: var(--transition-fast);
}
.mockup__sidebar-item.active {
    background: var(--primary);
}

.mockup__main {
    flex: 1;
    padding: 20px;
}

.mockup__cards {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.mockup__card {
    flex: 1;
    padding: 14px;
    border-radius: var(--radius);
    color: white;
}
.mockup__card--blue { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.mockup__card--green { background: linear-gradient(135deg, var(--success), var(--teal)); }
.mockup__card--orange { background: linear-gradient(135deg, var(--orange), var(--warning)); }

.mockup__card-icon { margin-bottom: 8px; opacity: 0.9; }
.mockup__card-number { font-size: 22px; font-weight: 800; font-family: var(--font-heading); }
.mockup__card-label { font-size: 10px; opacity: 0.8; margin-top: 2px; }

.mockup__chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 100px;
    padding: 12px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.mockup__chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: 4px 4px 0 0;
    transition: height 1s ease;
    animation: barGrow 2s ease forwards;
}

@keyframes barGrow {
    from { height: 0 !important; }
}

/* ===================================
   Trusted By
   =================================== */
.trusted {
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-100);
}

.trusted__text {
    text-align: center;
    font-size: 14px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 24px;
}

.trusted__logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trusted__logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-300);
    font-family: var(--font-heading);
    transition: var(--transition);
}
.trusted__logo:hover {
    color: var(--gray-500);
}

/* ===================================
   Features
   =================================== */
.features {
    background: var(--white);
}

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

.feature-card {
    padding: 32px 28px;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}
.feature-card:hover {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.feature-card__icon--blue { background: #e0f2fe; color: #0284c7; }
.feature-card__icon--green { background: #d1fae5; color: #059669; }
.feature-card__icon--purple { background: #ede9fe; color: #7c3aed; }
.feature-card__icon--orange { background: #ffedd5; color: #ea580c; }
.feature-card__icon--red { background: #fee2e2; color: #dc2626; }
.feature-card__icon--teal { background: #ccfbf1; color: #0d9488; }
.feature-card__icon--indigo { background: #e0e7ff; color: #4f46e5; }
.feature-card__icon--cyan { background: #cffafe; color: #0891b2; }

.feature-card__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card__desc {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-card__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.feature-card__list li {
    font-size: 13px;
    color: var(--gray-600);
    padding-left: 20px;
    position: relative;
}
.feature-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* ===================================
   How It Works / Steps
   =================================== */
.how-it-works {
    background: var(--gray-50);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.step__number {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.step__content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.step__content p {
    font-size: 14px;
    color: var(--gray-500);
    max-width: 220px;
    margin: 0 auto;
}

.step__line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary));
    opacity: 0.3;
    margin-bottom: 50px;
}

/* ===================================
   Usage Areas
   =================================== */
.usage {
    background: var(--white);
}

.usage__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.usage-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    text-align: center;
    transition: var(--transition);
}
.usage-card:hover {
    background: var(--white);
    border-color: var(--primary-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.usage-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.usage-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.usage-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===================================
   Pricing
   =================================== */
.pricing {
    background: var(--gray-50);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
}

.pricing-card {
    padding: 36px 32px;
    border-radius: var(--radius-xl);
    background: var(--white);
    border: 2px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}
.pricing-card:hover {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-lg);
}

.pricing-card--popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}
.pricing-card--popular:hover {
    transform: scale(1.07);
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-card__header {
    margin-bottom: 24px;
}

.pricing-card__name {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 4px;
}

.pricing-card__desc {
    font-size: 14px;
    color: var(--gray-500);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--gray-100);
}

.pricing-card__amount {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 900;
    color: var(--gray-900);
}

.pricing-card__currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.pricing-card__period {
    font-size: 16px;
    color: var(--gray-500);
}

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.pricing-card__features li {
    font-size: 14px;
    padding-left: 28px;
    position: relative;
}
.pricing-card__features li::before {
    position: absolute;
    left: 0;
    top: 1px;
    font-size: 16px;
}
.pricing-card__features li.included {
    color: var(--gray-700);
}
.pricing-card__features li.included::before {
    content: '\2713';
    color: var(--success);
    font-weight: 700;
}
.pricing-card__features li.excluded {
    color: var(--gray-400);
}
.pricing-card__features li.excluded::before {
    content: '\2715';
    color: var(--gray-300);
}

/* ===================================
   Testimonials
   =================================== */
.testimonials {
    background: var(--white);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}
.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-card__stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-card__text {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.testimonial-card__name {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-800);
}

.testimonial-card__role {
    font-size: 12px;
    color: var(--gray-500);
}

/* ===================================
   About
   =================================== */
.about {
    background: var(--gray-50);
}

.about__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.about__content .section__badge {
    margin-bottom: 12px;
}
.about__content .section__title {
    text-align: left;
    margin-bottom: 20px;
}

.about__content p {
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.8;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 28px;
}

.about__value {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.about__value-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about__value strong {
    display: block;
    font-size: 15px;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.about__value p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 0;
}

.about__stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about__stat-card {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-100);
    text-align: center;
    transition: var(--transition);
}
.about__stat-card:hover {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-md);
}

.about__stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 4px;
}

.about__stat-label {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

/* ===================================
   FAQ
   =================================== */
.faq {
    background: var(--white);
}

.faq__list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.faq__item[open] {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-sm);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    color: var(--gray-800);
    transition: var(--transition-fast);
    list-style: none;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question:hover {
    color: var(--primary);
}

.faq__chevron {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    color: var(--gray-400);
}
.faq__item[open] .faq__chevron {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq__answer {
    padding: 0 24px 20px;
}
.faq__answer p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.8;
}

/* ===================================
   Contact
   =================================== */
.contact {
    background: var(--gray-50);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

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

.contact__info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-md);
    background: var(--white);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}
.contact__info-card:hover {
    border-color: var(--primary-100);
    box-shadow: var(--shadow-sm);
}

.contact__info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__info-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}
.contact__info-card p {
    font-size: 14px;
    color: var(--gray-500);
}
.contact__info-card a {
    color: var(--primary);
}
.contact__info-card a:hover {
    text-decoration: underline;
}

.contact__form {
    padding: 36px;
    border-radius: var(--radius-xl);
    background: var(--white);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-sm);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form__group {
    margin-bottom: 20px;
}

.form__label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form__input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: var(--transition-fast);
    outline: none;
}
.form__input::placeholder {
    color: var(--gray-400);
}
.form__input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

/* ===================================
   CTA Section
   =================================== */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--indigo) 100%);
    position: relative;
    overflow: hidden;
}
.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    animation: ctaGlow 10s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20%, 20%); }
}

.cta__content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta__content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta__content p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}

.cta__actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--gray-900);
    padding: 64px 0 0;
    color: var(--gray-400);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--gray-800);
}

.footer__brand {
    max-width: 280px;
}

.footer__brand .nav__logo {
    margin-bottom: 16px;
    color: var(--white);
}

.footer__brand p {
    font-size: 14px;
    line-height: 1.7;
}

.footer__links h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__links a {
    font-size: 14px;
    color: var(--gray-400);
}
.footer__links a:hover {
    color: var(--primary-light);
}

.footer__bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__bottom p {
    font-size: 13px;
}

.footer__bottom-links {
    display: flex;
    gap: 24px;
}
.footer__bottom-links a {
    font-size: 13px;
    color: var(--gray-400);
}
.footer__bottom-links a:hover {
    color: var(--primary-light);
}

/* ===================================
   Animations
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero__container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero__subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .hero__actions {
        justify-content: center;
    }
    .hero__stats {
        justify-content: center;
    }
    .hero__visual {
        max-width: 500px;
        margin: 0 auto;
    }
    .hero__mockup {
        transform: none;
    }
    .hero__mockup:hover {
        transform: none;
    }
    .about__grid {
        grid-template-columns: 1fr;
    }
    .about__content .section__title {
        text-align: center;
    }
    .about__content {
        text-align: center;
    }
    .about__value {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 64px 0;
    }
    .section__header {
        margin-bottom: 40px;
    }

    /* Mobile Nav */
    .nav__toggle {
        display: flex;
        z-index: 1001;
    }
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 8px;
        box-shadow: var(--shadow-2xl);
        transition: right 0.3s ease;
        z-index: 999;
    }
    .nav__menu.active {
        right: 0;
    }
    .nav__link {
        width: 100%;
        padding: 12px 16px;
        font-size: 16px;
    }
    .nav__cta {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
    }

    .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 Hero */
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 40px;
    }
    .hero__stats {
        gap: 24px;
        flex-wrap: wrap;
    }
    .hero__stat-number {
        font-size: 24px;
    }

    /* Grids */
    .features__grid,
    .usage__grid,
    .pricing__grid,
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    .pricing-card--popular {
        transform: none;
    }
    .pricing-card--popular:hover {
        transform: none;
    }

    .contact__grid {
        grid-template-columns: 1fr;
    }
    .form__row {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Steps */
    .steps {
        flex-direction: column;
    }
    .step__line {
        width: 2px;
        height: 40px;
        margin-bottom: 0;
    }

    /* Mockup */
    .mockup__cards {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .hero__title {
        font-size: 32px;
    }
    .hero__actions {
        flex-direction: column;
    }
    .hero__actions .btn {
        width: 100%;
    }
}