/* ===================================
   VARIABLES & RESET
   =================================== */
:root {
    /* Colors */
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-secondary: #06b6d4;
    --color-accent: #f59e0b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Grayscale */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #2dd4bf 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);

    /* Spacing Tokens */
    --space-1: 1rem;
    /* 16px */
    --space-2: 2rem;
    /* 32px */
    --space-3: 3.5rem;
    /* 56px */
    --space-4: 5rem;
    /* 80px */

    /* Legend Spacing */
    --spacing-xs: var(--space-1);
    --spacing-sm: 1.25rem;
    --spacing-md: var(--space-2);
    --spacing-lg: 2.5rem;
    --spacing-xl: var(--space-3);
    --spacing-2xl: 4rem;
    --spacing-3xl: var(--space-4);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    /* Fix horizontal scroll floating */
    width: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
    width: 100%;
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

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

/* ===================================
   LAYOUT
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--space-4) 0;
}

.section--alt {
    padding: var(--space-4) 0;
}

.section--tight {
    padding: var(--space-2) 0;
}

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

.section__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn--cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.39);
    position: relative;
    overflow: hidden;
}

.btn--cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
    filter: brightness(1.1);
}

.btn--secondary {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn--secondary:hover {
    background-color: var(--color-gray-200);
}

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

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

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

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

.btn__arrow {
    transition: transform var(--transition-base);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem var(--spacing-md);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.logo__icon {
    font-size: var(--font-size-2xl);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav__link {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    transition: color var(--transition-base);
}

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

.nav__actions {
    display: flex;
    gap: var(--spacing-sm);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: all var(--transition-base);
}

/* Hide mobile-only items on desktop */
.nav__menu-mobile-only {
    display: none;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    padding-top: 120px;
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(to bottom, var(--color-white), var(--color-gray-50));
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero__content {
    max-width: 600px;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.hero__note {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.hero__visual {
    position: relative;
}

.mockup-container {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.mockup-placeholder {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
}

.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
}

.hero__wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ===================================
   SECTORS SECTION
   =================================== */
/* Unused sectors styles removed */

/* ===================================
   APP MOCKUP STYLES
   =================================== */
.app-demo-video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    display: none;
}

.app-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    transition: transform var(--transition-base);
}

.app-screenshot:hover {
    transform: scale(1.02);
}

/* Logo icon styling */
.logo__icon {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    background-color: var(--color-white);
}

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

.features__grid--four {
    grid-template-columns: repeat(4, 1fr);
}

.feature-card {
    text-align: center;
}

.feature-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card__desc {
    color: var(--color-gray-600);
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    background-color: var(--color-gray-50);
}

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

.benefit-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.benefit-card__icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.benefit-card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.benefit-card__list {
    list-style: none;
}

.benefit-card__list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-600);
}

.benefit-card__list li::before {
    content: "✓ ";
    color: var(--color-success);
    font-weight: 700;
    margin-right: var(--spacing-xs);
}

/* ===================================
   PRICING SECTION
   =================================== */
.pricing {
    background-color: var(--color-white);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-card__name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--spacing-xs);
}

.price__currency {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-600);
}

.price__amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-gray-900);
}

.price__period {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
}

.pricing-card__annual {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.pricing-card__features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-card__features li {
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-100);
}

.pricing-card__features li:last-child {
    border-bottom: none;
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq {
    background-color: var(--color-gray-50);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-item__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-item__question:hover {
    background-color: var(--color-gray-50);
}

.faq-item__icon {
    font-size: var(--font-size-2xl);
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item__answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray-600);
}

.faq-item.active .faq-item__answer {
    max-height: 500px;
}

.faq-item.active .faq-item__icon {
    transform: rotate(45deg);
}

/* ===================================
   CTA FINAL SECTION
   =================================== */
.cta-final {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.cta-final__content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-final__title {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-final__subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.cta-final .btn--cta {
    background: #ffffff !important;
    color: var(--color-primary) !important;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.cta-final .btn--cta:hover {
    background-color: #f8fafc !important;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.cta-final__note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__desc {
    color: var(--color-gray-400);
    line-height: 1.8;
}

.footer__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--spacing-sm);
}

.footer__links a {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.footer__bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}