/* ===========================
   1. CSS CUSTOM PROPERTIES
   =========================== */
:root {
    --color-primary: #FF6B00;
    --color-primary-light: #FF9D42;
    --color-primary-gradient: linear-gradient(135deg, #FF6B00, #FF9D42);
    --color-primary-glow: rgba(255, 107, 0, 0.25);

    --color-bg-body: #0F1117;
    --color-bg-section: #161921;
    --color-bg-card: #1C1F2B;
    --color-bg-card-hover: #22263A;

    --color-text-primary: #F6F6F6;
    --color-text-secondary: #818AA3;
    --color-text-muted: #5A6178;

    --color-border: rgba(129, 138, 163, 0.16);
    --color-border-accent: rgba(255, 107, 0, 0.3);
    --color-white: #ffffff;

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

    --container-max: 1236px;
    --header-height: 72px;

    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 30px;

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

/* ===========================
   1b. LIGHT THEME OVERRIDE
   =========================== */
[data-theme="light"] {
    --color-primary: #E55A00;
    --color-primary-light: #FF8533;
    --color-primary-gradient: linear-gradient(135deg, #E55A00, #FF8533);
    --color-primary-glow: rgba(229, 90, 0, 0.15);

    --color-bg-body: #F5F6F8;
    --color-bg-section: #ECEDF1;
    --color-bg-card: #FFFFFF;
    --color-bg-card-hover: #F0F1F5;

    --color-text-primary: #1A1D2B;
    --color-text-secondary: #5A6178;
    --color-text-muted: #8E95A9;

    --color-border: rgba(26, 29, 43, 0.10);
    --color-border-accent: rgba(229, 90, 0, 0.25);
    --color-white: #ffffff;
}

/* Smooth theme transition */
html[data-theme] body,
html[data-theme] .header,
html[data-theme] .header--sticky,
html[data-theme] .mobile-menu {
    transition: background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

/* Light theme hardcoded color overrides */
[data-theme="light"] .header--sticky {
    background: rgba(245, 246, 248, 0.92);
}

[data-theme="light"] .mobile-overlay {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .mobile-menu__link:hover {
    background: rgba(229, 90, 0, 0.06);
}

[data-theme="light"] .hero__bg {
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(229, 90, 0, 0.05) 0%, transparent 70%),
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(229, 90, 0, 0.02) 0%, transparent 50%);
}

[data-theme="light"] .hero__slogan {
    background: rgba(229, 90, 0, 0.08);
    border-color: rgba(229, 90, 0, 0.15);
}

[data-theme="light"] .dataflow__number {
    background: rgba(229, 90, 0, 0.08);
}

[data-theme="light"] .usecase-card__badge {
    background: rgba(229, 90, 0, 0.1);
}

[data-theme="light"] .cta-banner__inner::before {
    background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(229, 90, 0, 0.04) 0%, transparent 70%);
}

[data-theme="light"] .form-success {
    background: rgba(229, 90, 0, 0.06);
}

[data-theme="light"] .form-error {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.25);
    color: #DC2626;
}

[data-theme="light"] .modal-overlay {
    background: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .integration-card__icon {
    background: rgba(229, 90, 0, 0.06);
}

[data-theme="light"] .btn-outline {
    background: var(--color-bg-card);
}

[data-theme="light"] .pricing-card--featured {
    box-shadow: 0 0 40px rgba(229, 90, 0, 0.1);
}

/* product-tabs active: keep orange in both themes for consistency */

/* ===========================
   1c. THEME TOGGLE BUTTON
   =========================== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    color: var(--color-text-secondary);
}

.theme-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(255, 107, 0, 0.06);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.35s ease, opacity 0.25s ease;
}

/* Sun icon: visible in dark theme (to switch to light) */
.theme-toggle__sun {
    display: block;
}

.theme-toggle__moon {
    display: none;
}

/* Moon icon: visible in light theme (to switch to dark) */
[data-theme="light"] .theme-toggle__sun {
    display: none;
}

[data-theme="light"] .theme-toggle__moon {
    display: block;
}

/* Mobile theme toggle inside mobile menu */
.mobile-theme-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-top: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 15px;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    width: 100%;
    transition: all var(--transition-fast);
}

.mobile-theme-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}

.mobile-theme-toggle svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.mobile-theme-toggle__label--dark {
    display: none;
}

.mobile-theme-toggle__label--light {
    display: inline;
}

[data-theme="light"] .mobile-theme-toggle__label--dark {
    display: inline;
}

[data-theme="light"] .mobile-theme-toggle__label--light {
    display: none;
}

/* ===========================
   2. RESET & BASE
   =========================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

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

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

a:hover {
    color: var(--color-primary-light);
}

ul {
    list-style: none;
}

/* ===========================
   3. TYPOGRAPHY
   =========================== */
h1, h2, h3, h4 {
    color: var(--color-text-primary);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(36px, 5vw, 64px);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 600;
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(20px, 2.5vw, 24px);
    font-weight: 600;
    letter-spacing: -0.01em;
}

p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.color-accent {
    color: var(--color-primary);
}

.required {
    color: var(--color-primary);
}

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

/* ===========================
   4. UTILITIES
   =========================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-subtitle {
    margin-top: 16px;
    font-size: 18px;
}

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

/* ===========================
   5. BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border: none;
    border-radius: var(--radius-pill);
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: var(--color-white);
    box-shadow: 0 4px 24px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--color-primary-glow);
}

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

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

.btn-lg {
    height: 56px;
    padding: 0 36px;
    font-size: 16px;
}

.btn-sm {
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
}

/* ===========================
   6. HEADER
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition);
}

.header--sticky {
    background: rgba(15, 17, 23, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 40px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.header__logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
    flex: 1;
}

.nav__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

.nav__link--api {
    margin-left: auto;
    color: var(--color-primary);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 1px;
    transition: all var(--transition);
}

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

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

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

/* Mobile menu */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition);
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-bg-card);
    z-index: 1000;
    padding: 100px 24px 24px;
    transition: right var(--transition);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu__link {
    display: block;
    padding: 12px 16px;
    color: var(--color-text-secondary);
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
    background: rgba(255, 107, 0, 0.08);
    color: var(--color-text-primary);
}

/* ===========================
   7. HERO
   =========================== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255, 107, 0, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(255, 107, 0, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero__slogan {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
    padding: 8px 20px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.2);
    border-radius: var(--radius-pill);
}

.hero__title {
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero__actions {
    margin-bottom: 48px;
}

.hero__badges {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero__badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ===========================
   8. PRODUCT / TABS
   =========================== */
.product {
    padding: 100px 0;
    background: var(--color-bg-section);
}

.product-tabs__nav {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    overflow-x: auto;
    padding-bottom: 8px;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.product-tabs__nav::-webkit-scrollbar {
    display: none;
}

.product-tabs__btn {
    flex-shrink: 0;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.product-tabs__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}

.product-tabs__btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.product-slide {
    display: none;
    gap: 48px;
    align-items: center;
}

.product-slide.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    animation: fadeIn 0.4s ease;
}

.product-slide__text h3 {
    margin-bottom: 16px;
}

.product-slide__text p {
    margin-bottom: 12px;
}

.product-slide__image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--color-bg-card);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 14px;
}

/* ===========================
   9. KEY BENEFITS
   =========================== */
.benefits {
    padding: 100px 0;
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.benefit-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px;
    transition: all var(--transition);
}

.benefit-card:hover {
    border-color: var(--color-border-accent);
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
}

.benefit-card__icon {
    margin-bottom: 20px;
}

.benefit-card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.benefit-card p {
    font-size: 15px;
}

/* ===========================
   10. DATAFLOW / HOW IT WORKS
   =========================== */
.dataflow {
    padding: 100px 0;
    background: var(--color-bg-section);
}

.dataflow__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.dataflow__steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light), var(--color-primary));
    opacity: 0.3;
}

.dataflow__step {
    text-align: center;
    position: relative;
}

.dataflow__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 107, 0, 0.1);
    border: 2px solid var(--color-primary);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.dataflow__step h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.dataflow__step p {
    font-size: 14px;
}

/* ===========================
   10.5. INTEGRATIONS / CRM
   =========================== */
.integrations {
    padding: 100px 0;
}

.integrations__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.integration-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px;
    transition: all var(--transition);
}

.integration-card:hover {
    border-color: var(--color-border-accent);
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
}

.integration-card__logo {
    margin-bottom: 20px;
}

.integration-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.integration-card > p {
    font-size: 15px;
    margin-bottom: 20px;
}

.integration-card__features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.integration-card__features li {
    padding-left: 20px;
    position: relative;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.integration-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.6;
}

/* ===========================
   11. DEPLOYMENT / USE CASES
   =========================== */
.usecases {
    padding: 100px 0;
}

.usecases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.usecase-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 40px;
    position: relative;
    transition: all var(--transition);
}

.usecase-card:hover {
    border-color: var(--color-border-accent);
}

.usecase-card__badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 107, 0, 0.12);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.usecase-card h3 {
    margin-bottom: 20px;
}

.usecase-card ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.usecase-card li {
    padding-left: 24px;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 15px;
}

.usecase-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.6;
}

/* ===========================
   12. PRICING
   =========================== */
.pricing {
    padding: 100px 0;
    background: var(--color-bg-section);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition);
}

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

.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 40px var(--color-primary-glow);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--color-primary-gradient);
    color: var(--color-white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.pricing-card__header {
    margin-bottom: 32px;
}

.pricing-card__header h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.pricing-card__price {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.pricing-card__price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.pricing-card__subtitle {
    margin-top: 8px;
    font-size: 14px;
}

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
    flex: 1;
}

.pricing-card__features li {
    padding-left: 24px;
    position: relative;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.pricing-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    opacity: 0.6;
}

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

/* ===========================
   13. CTA BANNER
   =========================== */
.cta-banner {
    padding: 80px 0;
}

.cta-banner__inner {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner__inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(255, 107, 0, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-banner__inner h2 {
    max-width: 700px;
    margin: 0 auto 32px;
    position: relative;
}

.cta-banner__inner .btn {
    position: relative;
}

/* ===========================
   14. FAQ
   =========================== */
.faq {
    padding: 100px 0;
    background: var(--color-bg-section);
}

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

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 24px 0;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 17px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.faq-item__icon {
    flex-shrink: 0;
    transition: transform var(--transition);
    color: var(--color-text-muted);
}

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

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 500px;
    padding-bottom: 24px;
}

.faq-item__answer p {
    font-size: 15px;
    line-height: 1.7;
}

/* ===========================
   15. CONTACTS
   =========================== */
.contact {
    padding: 100px 0;
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 15px;
    transition: border-color var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

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

/* Consent checkboxes */
.form-consent {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.4;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.checkbox-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    transition: all var(--transition-fast);
    margin-top: 1px;
}

.checkbox-box::after {
    content: '';
    display: block;
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) scale(0);
    transition: transform var(--transition-fast);
    margin-top: -2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-box {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-box::after {
    transform: rotate(-45deg) scale(1);
}

.checkbox-label input[type="checkbox"]:focus-visible + .checkbox-box {
    box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.checkbox-box--error {
    border-color: #FF3333;
}

.checkbox-error {
    display: block;
    width: 100%;
    font-size: 12px;
    color: #FF3333;
    margin-top: 4px;
    padding-left: 30px;
}

.checkbox-text .required {
    color: var(--color-primary);
}

.checkbox-text a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.checkbox-text a:hover {
    text-decoration: none;
}

.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 48px 32px;
    background: rgba(255, 107, 0, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-weight: 500;
    font-size: 18px;
    text-align: center;
    min-height: 200px;
}

.form-success svg {
    width: 48px;
    height: 48px;
}

/* Form error message */
.form-error {
    grid-column: 1 / -1;
    padding: 12px 16px;
    background: rgba(255, 51, 51, 0.1);
    border: 1px solid rgba(255, 51, 51, 0.3);
    border-radius: var(--radius-sm);
    color: #FF3333;
    font-size: 14px;
    font-weight: 500;
    margin-top: 4px;
    animation: fadeIn 0.3s ease;
}

/* Honeypot field — bot protection (hidden from users) */
.contact-form > [aria-hidden="true"],
.modal-form > [aria-hidden="true"] {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding-top: 8px;
}

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

.contact-info__item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info__item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
}

.contact-info__item p {
    font-size: 14px;
    margin: 0;
}

/* ===========================
   16. FOOTER
   =========================== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.footer__logo-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.footer__desc {
    font-size: 14px;
    max-width: 300px;
}

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

.footer__col p {
    font-size: 14px;
    margin-bottom: 4px;
}

.footer__nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__nav a {
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer__bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ===========================
   17. MODAL
   =========================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 480px;
    width: 100%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 28px;
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
    padding: 4px 8px;
}

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

.modal h3 {
    margin-bottom: 8px;
}

.modal__subtitle {
    font-size: 14px;
    margin-bottom: 24px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-form .form-group input {
    width: 100%;
}

/* ===========================
   18. RESPONSIVE: TABLET
   =========================== */
@media (max-width: 1299px) {
    .dataflow__steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .dataflow__steps::before {
        display: none;
    }

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

    .pricing-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }

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

    .integrations__grid .integration-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ===========================
   19. RESPONSIVE: MOBILE
   =========================== */
@media (max-width: 809px) {
    .container {
        padding: 0 16px;
    }

    .nav,
    .header__actions {
        display: none;
    }

    .burger {
        display: flex;
        margin-left: auto;
    }

    .mobile-menu {
        display: block;
    }

    /* Hero */
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero__slogan {
        font-size: 12px;
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .hero__actions {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
        margin-bottom: 64px;
    }

    .hero__badges {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    /* Product */
    .product {
        padding: 60px 0;
    }

    .product-slide.active {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .product-slide__image {
        order: -1;
    }

    /* Benefits */
    .benefits {
        padding: 60px 0;
    }

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

    .section-header {
        margin-bottom: 40px;
    }

    /* Dataflow */
    .dataflow {
        padding: 60px 0;
    }

    .dataflow__steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* Integrations */
    .integrations {
        padding: 60px 0;
    }

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

    .integrations__grid .integration-card:last-child {
        max-width: none;
    }

    /* Use Cases */
    .usecases {
        padding: 60px 0;
    }

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

    /* Pricing */
    .pricing {
        padding: 60px 0;
    }

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

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

    /* CTA Banner */
    .cta-banner__inner {
        padding: 40px 24px;
    }

    /* FAQ */
    .faq {
        padding: 60px 0;
    }

    .faq-item__question {
        font-size: 15px;
        padding: 20px 0;
    }

    /* Contact */
    .contact {
        padding: 60px 0;
    }

    .contact__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* Modal */
    .modal {
        padding: 24px;
    }
}

/* ===========================
   20. LEGAL PAGES
   =========================== */
.legal-page {
    padding: 120px 0 80px;
    min-height: 100vh;
}

.legal-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 32px;
    transition: opacity var(--transition-fast);
}

.legal-back:hover {
    opacity: 0.8;
}

.legal-content {
    max-width: 800px;
    line-height: 1.7;
}

.legal-content h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 40px;
    line-height: 1.3;
}

.legal-content h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: 40px;
    margin-bottom: 16px;
    line-height: 1.4;
}

.legal-content p {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.legal-content ul,
.legal-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.legal-content li {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.legal-content a {
    color: var(--color-primary);
    transition: opacity var(--transition-fast);
}

.legal-content a:hover {
    opacity: 0.8;
}

.legal-content strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

@media (max-width: 809px) {
    .legal-page {
        padding: 100px 0 60px;
    }

    .legal-content h1 {
        font-size: 24px;
        margin-bottom: 32px;
    }

    .legal-content h2 {
        font-size: 18px;
        margin-top: 32px;
    }
}

/* ===========================
   21. ANIMATIONS
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}