/* ============================================
   QRCode Premium - Professional Landing Page
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #EEF2FF;
    --primary-rgb: 79, 70, 229;

    --accent: #06B6D4;
    --accent-dark: #0891B2;

    --gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #06B6D4 100%);
    --gradient-text: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --gradient-cta: linear-gradient(135deg, #4F46E5 0%, #6D28D9 100%);

    --dark: #0F172A;
    --dark-2: #1E293B;
    --text: #334155;
    --text-light: #64748B;
    --text-lighter: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-card: #FFFFFF;

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

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);

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

    --header-h: 72px;
    --container: 1200px;
}

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

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Utility ---------- */
.hidden { display: none !important; }

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    white-space: nowrap;
    line-height: 1;
}

.btn i { font-size: 1.15em; }

.btn--sm { padding: 8px 18px; font-size: 14px; }
.btn--md { padding: 10px 22px; font-size: 15px; }
.btn--lg { padding: 14px 28px; font-size: 16px; }
.btn--full { width: 100%; }

.btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 1px 3px rgba(var(--primary-rgb), 0.3);
}
.btn--primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.35);
    transform: translateY(-1px);
}

.btn--outline {
    border: 1.5px solid var(--border);
    color: var(--text);
    background: var(--bg);
}
.btn--outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.btn--ghost {
    color: var(--text-light);
    background: transparent;
}
.btn--ghost:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.btn--white {
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}
.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* ============================================
   HEADER / NAV
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-h);
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
}

.nav__logo i {
    font-size: 28px;
    color: var(--primary);
}

.nav__logo strong {
    font-weight: 800;
    color: var(--primary);
}

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

.nav__link {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

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

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

.nav__toggle {
    display: none;
    font-size: 24px;
    color: var(--dark);
    padding: 4px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    padding: calc(var(--header-h) + 60px) 0 80px;
    overflow: hidden;
    background: var(--bg-alt);
}

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

.hero__grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(79,70,229,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79,70,229,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero__bg::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--primary-rgb),0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 60px;
    align-items: start;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.hero__badge i {
    font-size: 14px;
}

.hero__title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero__stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.hero__stat-label {
    font-size: 13px;
    color: var(--text-lighter);
    font-weight: 500;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ---------- Generator Card ---------- */
.generator-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.generator-card__tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

.generator-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    cursor: pointer;
}

.generator-tab i { font-size: 20px; }

.generator-tab:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.generator-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--bg);
}

.generator-card__body {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.generator-card__input-area {
    padding: 24px;
}

.generator-card__preview {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border-light);
    background: var(--bg-alt);
}

/* ---------- Input Styles ---------- */
.input-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark-2);
    margin-bottom: 6px;
}

.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-lighter);
    font-size: 18px;
    pointer-events: none;
}

.input-field {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--dark);
    background: var(--bg);
    transition: all 0.2s;
    outline: none;
}

.input-group .input-field {
    padding-left: 42px;
}

.input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.input-field::placeholder {
    color: var(--text-lighter);
}

.input-textarea {
    resize: vertical;
    min-height: 80px;
}

.input-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.generator-card__input-area .btn {
    margin-top: 20px;
}

/* ---------- QR Preview ---------- */
.qr-preview {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius);
    border: 2px dashed var(--border);
    overflow: hidden;
    transition: border-color 0.3s;
}

.qr-preview.has-code {
    border: 2px solid var(--border);
}

.qr-preview__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-lighter);
}

.qr-preview__placeholder i {
    font-size: 48px;
    opacity: 0.3;
}

.qr-preview__placeholder span {
    font-size: 13px;
    font-weight: 500;
}

.qr-preview__code {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-preview__code img,
.qr-preview__code canvas {
    max-width: 180px !important;
    max-height: 180px !important;
}

.qr-preview__actions {
    display: flex;
    gap: 8px;
}

/* ============================================
   TRUSTED BAR
   ============================================ */
.trusted {
    padding: 40px 0;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg);
}

.trusted__label {
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.trusted__logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trusted__logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-lighter);
    opacity: 0.6;
    transition: opacity 0.2s;
}

.trusted__logo:hover { opacity: 1; }

.trusted__logo i { font-size: 22px; }

/* ============================================
   SECTION COMMON
   ============================================ */
.section {
    padding: 100px 0;
}

.section:nth-child(even) {
    background: var(--bg-alt);
}

.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section__badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section__title {
    font-size: 40px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section__subtitle {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   QR TYPES GRID
   ============================================ */
.qr-types__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.qr-type-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    transition: all 0.3s ease;
    cursor: pointer;
}

.qr-type-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.qr-type-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 14px;
    font-size: 26px;
    color: var(--card-color, var(--primary));
    background: color-mix(in srgb, var(--card-color, var(--primary)) 10%, transparent);
    transition: all 0.3s;
}

.qr-type-card:hover .qr-type-card__icon {
    transform: scale(1.1);
}

.qr-type-card__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.qr-type-card__desc {
    font-size: 12px;
    color: var(--text-lighter);
    line-height: 1.5;
}

/* ============================================
   FEATURES
   ============================================ */
.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

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

.feature-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: #fff;
    font-size: 24px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.feature-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.feature-card__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps {
    max-width: 700px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}

.step:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.step__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    border-radius: 50%;
}

.step__content { flex: 1; }

.step__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.step__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.step__icon {
    flex-shrink: 0;
    font-size: 28px;
    color: var(--primary);
    opacity: 0.4;
}

.step__connector {
    width: 2px;
    height: 32px;
    background: var(--border);
    margin: 0 auto;
    border-radius: 2px;
}

/* ============================================
   USE CASES
   ============================================ */
.use-cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.use-case-card {
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.use-case-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 22px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.use-case-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.use-case-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   FAQ
   ============================================ */
.faq__list {
    max-width: 740px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: 12px;
    background: var(--bg-card);
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--border);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.06);
}

.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    cursor: pointer;
    transition: color 0.2s;
}

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

.faq-item__icon {
    font-size: 20px;
    color: var(--text-lighter);
    transition: transform 0.3s;
    flex-shrink: 0;
}

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

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item__answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: 100px 0;
    background: var(--gradient-cta);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}

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

.cta__title {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta__subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    padding: 64px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer__logo i {
    font-size: 28px;
    color: var(--accent);
}

.footer__logo strong {
    color: var(--accent);
}

.footer__desc {
    font-size: 14px;
    color: var(--text-lighter);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social-link {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    color: var(--text-lighter);
    border-radius: var(--radius-sm);
    font-size: 18px;
    transition: all 0.2s;
}

.footer__social-link:hover {
    background: var(--primary);
    color: #fff;
}

.footer__heading {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer__links li {
    margin-bottom: 10px;
}

.footer__links a {
    font-size: 14px;
    color: var(--text-lighter);
    transition: all 0.2s;
}

.footer__links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer__view-all {
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__view-all a {
    font-size: 13px !important;
    font-weight: 600;
    color: var(--primary) !important;
    letter-spacing: 0.02em;
}

.footer__view-all a:hover {
    color: #818CF8 !important;
    padding-left: 4px;
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 13px;
    color: var(--text-lighter);
}

/* ============================================
   INFO / LEGAL PAGES
   ============================================ */
.info-page {
    padding: calc(var(--header-h) + 48px) 0 80px;
    min-height: 70vh;
}

.info-page__header {
    text-align: center;
    margin-bottom: 48px;
}

.info-page__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    font-size: 28px;
    margin-bottom: 20px;
}

.info-page__title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}

.info-page__subtitle {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

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

.info-page__card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg, 16px);
    padding: 40px;
    margin-bottom: 32px;
}

.info-page__card h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-page__card h2 i {
    color: var(--primary);
    font-size: 22px;
}

.info-page__card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin: 20px 0 10px;
}

.info-page__card p,
.info-page__card li {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.info-page__card ul,
.info-page__card ol {
    padding-left: 20px;
    margin-bottom: 16px;
}

.info-page__card ul li {
    list-style: disc;
    margin-bottom: 8px;
}

.info-page__card ol li {
    list-style: decimal;
    margin-bottom: 8px;
}

.info-page__card a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.info-page__card a:hover {
    color: var(--primary-dark);
}

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

.info-page__last-updated {
    text-align: center;
    font-size: 13px;
    color: var(--text-lighter);
    margin-top: 8px;
}

/* About page specifics */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.about-stat {
    text-align: center;
    padding: 24px 16px;
    background: var(--primary-light);
    border-radius: 12px;
}

.about-stat__number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.about-stat__label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.about-value {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.about-value i {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.about-value h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.about-value p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Contact page specifics */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: all 0.2s;
}

.contact-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.08);
}

.contact-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-item__icon i {
    font-size: 22px;
    color: var(--primary);
}

.contact-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

.contact-form {
    display: grid;
    gap: 20px;
}

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

.contact-form__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-form__group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.contact-form__group input,
.contact-form__group select,
.contact-form__group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: var(--bg);
    transition: border-color 0.2s;
}

.contact-form__group input:focus,
.contact-form__group select:focus,
.contact-form__group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.contact-form__group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: background 0.2s;
    width: fit-content;
}

.contact-form__submit:hover {
    background: var(--primary-dark);
}

/* Responsive for info pages */
@media (max-width: 768px) {
    .info-page { padding: calc(var(--header-h) + 32px) 0 56px; }
    .info-page__title { font-size: 28px; }
    .info-page__card { padding: 24px; }
    .about-grid { grid-template-columns: 1fr; }
    .about-values { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form__row { grid-template-columns: 1fr; }
}

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero__title { font-size: 40px; }

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

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .container { padding: 0 16px; }

    .nav__menu {
        display: none;
        position: fixed;
        top: var(--header-h);
        left: 0;
        width: 100%;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }

    .nav__menu.open { display: flex; }
    .nav__toggle { display: block; }
    .nav__actions .btn { display: none; }

    .hero {
        padding: calc(var(--header-h) + 32px) 0 48px;
    }

    .hero__title { font-size: 30px; }
    .hero__subtitle { font-size: 15px; margin-bottom: 28px; }

    .hero__badge { font-size: 12px; padding: 5px 12px; margin-bottom: 16px; }

    .hero__stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: var(--radius);
        padding: 16px 0;
    }

    .hero__stat {
        text-align: center;
        padding: 0 8px;
    }

    .hero__stat:not(:last-child) {
        border-right: 1px solid var(--border-light);
    }

    .hero__stat-number { font-size: 20px; }
    .hero__stat-label { font-size: 11px; }
    .hero__stat-divider { display: none; }

    /* Generator card */
    .generator-card { border-radius: var(--radius); }
    .generator-card__tabs { flex-wrap: nowrap; }
    .generator-tab { padding: 12px 8px; gap: 2px; }
    .generator-tab i { font-size: 18px; }
    .generator-tab span { font-size: 11px; }
    .generator-card__input-area { padding: 16px; }
    .generator-card__preview { padding: 16px; }

    .input-row { grid-template-columns: 1fr; }

    /* Trusted */
    .trusted { padding: 28px 0; }
    .trusted__label { font-size: 11px; margin-bottom: 16px; }
    .trusted__logos { gap: 16px 24px; }
    .trusted__logo { font-size: 13px; }
    .trusted__logo i { font-size: 18px; }

    /* Sections */
    .section { padding: 56px 0; }
    .section__header { margin-bottom: 40px; }
    .section__title { font-size: 26px; }
    .section__subtitle { font-size: 15px; }
    .section__badge { font-size: 12px; padding: 5px 14px; }

    /* QR Types grid */
    .qr-types__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .qr-type-card { padding: 16px 8px; border-radius: var(--radius-sm); }
    .qr-type-card__icon { width: 40px; height: 40px; font-size: 18px; margin-bottom: 10px; }
    .qr-type-card__title { font-size: 12px; }
    .qr-type-card__desc { display: none; }

    /* Features */
    .features__grid { grid-template-columns: 1fr; gap: 16px; }
    .feature-card { padding: 24px 20px; }
    .feature-card__icon { width: 44px; height: 44px; font-size: 20px; margin-bottom: 14px; }
    .feature-card__title { font-size: 16px; }

    /* Steps */
    .step { padding: 20px; gap: 16px; }
    .step__number { width: 40px; height: 40px; font-size: 16px; }
    .step__connector { height: 24px; }

    /* Use cases */
    .use-cases__grid { grid-template-columns: 1fr; gap: 12px; }
    .use-case-card { padding: 24px 20px; }

    /* FAQ */
    .faq-item__question { padding: 16px 18px; font-size: 14px; }
    .faq-item__answer p { padding: 0 18px 16px; font-size: 13px; }

    /* CTA */
    .cta { padding: 64px 0; }
    .cta__title { font-size: 26px; }
    .cta__subtitle { font-size: 15px; margin-bottom: 28px; }

    /* Footer */
    .footer { padding-top: 48px; }
    .footer__grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
    .footer__desc { max-width: 100%; }
    .footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero__title { font-size: 26px; }
    .hero__subtitle { font-size: 14px; }

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

    .hero__stat-number { font-size: 18px; }
    .hero__stat-label { font-size: 10px; }

    .step { flex-wrap: wrap; }
    .step__icon { display: none; }

    .cta__title { font-size: 22px; }
    .cta__subtitle { font-size: 14px; }
}