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

:root {
    --primary: #7B2FBE;
    --primary-light: #a855f7;
    --primary-gradient: linear-gradient(135deg, #7B2FBE, #9333ea);
    --bg: #0a0a0a;
    --text: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --card-bg: rgba(255,255,255,0.03);
    --card-border: rgba(255,255,255,0.08);
    --card-border-hover: rgba(123,47,190,0.3);
    --card-shadow-hover: 0 8px 40px rgba(123,47,190,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

/* Skip to content */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--primary-gradient);
    color: var(--text);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 200;
    transition: top 0.2s;
}
.skip-to-content:focus {
    top: 16px;
}

/* ======================
   HEADER
   ====================== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 48px;
    background: rgba(10,10,10,0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(123,47,190,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
.logo-highlight {
    background: linear-gradient(135deg, #7B2FBE, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo-dim { color: #999; font-weight: 500; margin-left: 6px; }

/* Desktop nav */
.nav-desktop { display: flex; gap: 32px; align-items: center; }
.nav-desktop a {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-desktop a:hover { color: var(--primary-light); }
.nav-cta {
    background: var(--primary-gradient);
    color: var(--text) !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
}
.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(123,47,190,0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    transition: transform 0.3s, opacity 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ======================
   MOBILE MENU OVERLAY
   ====================== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #0a0a0a;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}
.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}
.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 80px 32px 48px;
    position: relative;
}
/* Logo */
.mobile-menu-logo {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}
.mobile-menu.active .mobile-menu-logo {
    opacity: 1;
    transform: translateY(0);
}
/* Links */
.mobile-menu-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}
.mobile-menu-links a {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
}
.mobile-menu-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 40px;
    height: 2px;
    background: var(--primary-light);
    transition: transform 0.2s ease;
}
.mobile-menu-links a:hover::after,
.mobile-menu-links a:active::after {
    transform: translateX(-50%) scaleX(1);
}
.mobile-menu.active .mobile-menu-links a {
    opacity: 1;
    transform: translateY(0);
}
.mobile-menu.active .mobile-menu-links a:nth-child(1) { transition-delay: 0.08s; }
.mobile-menu.active .mobile-menu-links a:nth-child(2) { transition-delay: 0.14s; }
.mobile-menu.active .mobile-menu-links a:nth-child(3) { transition-delay: 0.20s; }
.mobile-menu.active .mobile-menu-links a:nth-child(4) { transition-delay: 0.26s; }
/* CTA section */
.mobile-menu-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    width: 100%;
    max-width: 320px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease 0.3s, transform 0.4s ease 0.3s;
}
.mobile-menu.active .mobile-menu-cta {
    opacity: 1;
    transform: translateY(0);
}
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px 32px;
    background: var(--primary-gradient);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    border-radius: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.mobile-menu-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(123,47,190,0.5);
}
.mobile-menu-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    border: 1px solid rgba(123,47,190,0.3);
    border-radius: 10px;
    color: var(--primary-light);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background 0.2s, border-color 0.2s;
}
.mobile-menu-phone svg { color: var(--primary-light); flex-shrink: 0; }
.mobile-menu-phone:hover {
    background: rgba(123,47,190,0.1);
    border-color: rgba(123,47,190,0.5);
}

/* ======================
   HERO
   ====================== */
.hero {
    width: 100%;
    position: relative;
    overflow: hidden;
    background: #7B2FBE;
}

.hero-image {
    width: 100%;
    display: block;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 48px;
    background: linear-gradient(to top, rgba(10,10,10,1) 0%, rgba(10,10,10,0.7) 50%, transparent 100%);
}

.hero-overlay h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.hero-overlay p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 20px;
    max-width: 600px;
}

.hero-cta-group { display: flex; gap: 16px; }

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text);
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(123,47,190,0.5);
}

.btn-secondary {
    color: var(--text);
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.25);
    display: inline-flex;
    align-items: center;
    transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: var(--primary-light); }

/* ======================
   SECTION COMMON
   ====================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}

.section-label {
    display: inline-block;
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 17px;
    line-height: 1.6;
}

.highlight {
    background: linear-gradient(135deg, #7B2FBE, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ======================
   SERVICES
   ====================== */
.services-section { padding: 80px 0; }

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

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--card-border-hover);
    box-shadow: var(--card-shadow-hover);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-md);
    background: rgba(123,47,190,0.12);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; color: var(--primary-light); }

.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 15px; line-height: 1.6; margin-bottom: 20px; }

.service-link {
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}
.service-link:hover { gap: 10px; }

/* ======================
   RESPONDOAI
   ====================== */
.respondoai-section { padding: 80px 0; }

.respondoai-top {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 60px;
}

.respondoai-text { flex: 1; }
.respondoai-text h2 {
    font-size: 42px; font-weight: 800; letter-spacing: -1px;
    line-height: 1.15; margin-bottom: 16px;
}
.respondoai-text p {
    color: var(--text-muted); font-size: 17px; line-height: 1.7; margin-bottom: 16px;
}
.respondoai-text p strong { color: var(--text-secondary); }

.respondoai-logo {
    height: 40px;
    width: auto;
    margin-bottom: 20px;
}

.creator-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(123,47,190,0.12);
    border: 1px solid rgba(123,47,190,0.3);
    color: var(--primary-light);
    padding: 8px 16px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600;
    margin-bottom: 20px;
}

.respondoai-mockup {
    flex: 0 0 380px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 24px;
}

.phone-frame {
    background: #111;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
}

.phone-header {
    background: linear-gradient(135deg, #7B2FBE, #5b21b6);
    padding: 16px 20px;
    display: flex; align-items: center; gap: 12px;
}
.phone-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: #fff; font-weight: 700;
}
.phone-name { font-size: 15px; font-weight: 600; color: #fff; }
.phone-status { font-size: 12px; color: rgba(255,255,255,0.7); }

.phone-chat {
    padding: 20px;
    display: flex; flex-direction: column; gap: 12px;
    min-height: 280px;
}

.msg {
    max-width: 80%; padding: 10px 14px;
    border-radius: var(--radius-md); font-size: 14px; line-height: 1.5;
}
.msg-ai {
    background: rgba(123,47,190,0.15); color: #e0d0f0;
    align-self: flex-start; border-bottom-left-radius: 4px;
}
.msg-user {
    background: rgba(255,255,255,0.08); color: var(--text-secondary);
    align-self: flex-end; border-bottom-right-radius: 4px;
}
.msg-time {
    font-size: 11px; color: #666; text-align: center; padding: 4px 0;
}

.channels-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 20px; margin-bottom: 60px;
}

.channel-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px; padding: 28px 24px; text-align: center;
    transition: transform 0.3s, border-color 0.3s;
}
.channel-card:hover { transform: translateY(-3px); border-color: var(--card-border-hover); }

.channel-icon {
    width: 48px; height: 48px; border-radius: var(--radius-md);
    background: rgba(123,47,190,0.12);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px; color: var(--primary-light);
}

.channel-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.channel-card p { color: var(--text-muted); font-size: 13px; line-height: 1.5; }

.stats-row {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px; margin-bottom: 48px;
}

.stat-card {
    background: rgba(123,47,190,0.06);
    border: 1px solid rgba(123,47,190,0.15);
    border-radius: 14px; padding: 28px; text-align: center;
}
.stat-number {
    font-size: 40px; font-weight: 900;
    background: linear-gradient(135deg, #7B2FBE, #a855f7);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; margin-bottom: 6px;
}
.stat-label { color: var(--text-muted); font-size: 14px; font-weight: 500; }

.client-case {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex; align-items: center; gap: 28px;
}

.client-logo {
    flex: 0 0 160px;
    width: 160px; height: 100px;
    background: #1a1a2e;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    padding: 16px; overflow: hidden;
    border: 1px solid rgba(123,47,190,0.2);
}
.client-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }

.client-info h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.client-info p { color: var(--text-muted); font-size: 15px; line-height: 1.6; }
.client-info a { color: var(--primary-light); font-weight: 600; }

/* ======================
   ABOUT
   ====================== */
.about-section { padding: 80px 0; }

.about-top {
    display: flex; align-items: center; gap: 60px; margin-bottom: 60px;
}

.about-photo { flex: 0 0 380px; position: relative; }
.about-photo-frame {
    width: 380px; height: 460px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid rgba(123,47,190,0.2);
}
.about-photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::after {
    content: '';
    position: absolute; top: -8px; left: -8px; right: 8px; bottom: 8px;
    border: 2px solid rgba(123,47,190,0.15);
    border-radius: var(--radius-xl); z-index: -1;
}

.about-text { flex: 1; }
.about-text h2 {
    font-size: 42px; font-weight: 800; letter-spacing: -1px;
    line-height: 1.15; margin-bottom: 20px;
}
.about-text p {
    color: var(--text-muted); font-size: 17px; line-height: 1.7; margin-bottom: 16px;
}
.about-text p strong { color: var(--text-secondary); }

.social-links { display: flex; gap: 12px; margin-top: 24px; }
.social-link {
    width: 44px; height: 44px; border-radius: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.social-link:hover {
    background: rgba(123,47,190,0.15);
    border-color: var(--card-border-hover);
    color: var(--primary-light);
}

.about-desk {
    width: 100%; border-radius: var(--radius-xl);
    overflow: hidden; position: relative;
    border: 1px solid var(--card-border);
}
.about-desk-img { width: 100%; display: block; }
.about-desk-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 32px 40px;
    background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, transparent 100%);
}
.about-desk-overlay p {
    color: var(--text-secondary); font-size: 16px; font-style: italic; max-width: 500px;
}

/* ======================
   CONTACT
   ====================== */
.contact-section { padding: 80px 0; }

.contact-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 24px; max-width: 900px; margin: 0 auto;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color 0.3s;
}
.contact-card:hover { border-color: var(--card-border-hover); }

.contact-card-icon {
    width: 52px; height: 52px; border-radius: var(--radius-md);
    background: rgba(123,47,190,0.12);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.contact-card-icon svg { width: 26px; height: 26px; color: var(--primary-light); }

.contact-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { color: var(--text-muted); font-size: 15px; line-height: 1.6; margin-bottom: 16px; }
.contact-card-detail { font-size: 14px !important; color: var(--text-muted); }

.phone-number {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(123,47,190,0.1);
    border: 1px solid rgba(123,47,190,0.25);
    padding: 14px 24px; border-radius: var(--radius-md);
    font-size: 22px; font-weight: 800; color: var(--text);
    letter-spacing: 1px; transition: background 0.2s;
}
.phone-number:hover { background: rgba(123,47,190,0.2); }
.phone-number svg { color: var(--primary-light); }

.phone-pulse {
    display: inline-block; width: 10px; height: 10px;
    background: #22c55e; border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}

.booking-btn {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--primary-gradient);
    color: var(--text); padding: 14px 28px; border-radius: var(--radius-md);
    font-size: 16px; font-weight: 700;
    transition: transform 0.2s, box-shadow 0.2s;
}
.booking-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(123,47,190,0.5);
}

/* ======================
   FOOTER
   ====================== */
.footer {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 48px 0 32px;
}

.footer-content {
    display: flex; justify-content: space-between;
    align-items: flex-start; gap: 40px; margin-bottom: 40px;
}

.footer-brand p { color: #888; font-size: 14px; line-height: 1.6; max-width: 300px; margin-top: 12px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
    width: 38px; height: 38px; border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--card-border);
    display: flex; align-items: center; justify-content: center;
    color: #888; transition: color 0.2s, border-color 0.2s;
}
.footer-social a:hover { color: var(--primary-light); border-color: var(--card-border-hover); }

.footer-links h4 {
    font-size: 14px; font-weight: 700; color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links li { color: #888; font-size: 14px; }
.footer-links a { color: #888; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary-light); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { color: #777; font-size: 13px; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: #777; font-size: 13px; transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--primary-light); }

/* ======================
   LEGAL PAGES
   ====================== */
.legal-page {
    padding: 120px 0 80px;
}
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}
.legal-content h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.legal-content .legal-date {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--card-border);
}
.legal-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--primary-light);
}
.legal-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
}
.legal-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 16px;
}
.legal-content ul, .legal-content ol {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 16px;
    padding-left: 24px;
}
.legal-content li {
    margin-bottom: 8px;
}
.legal-content ul { list-style: disc; }
.legal-content ol { list-style: decimal; }
.legal-content a {
    color: var(--primary-light);
    text-decoration: underline;
}
.legal-content strong {
    color: var(--text);
    font-weight: 600;
}
.legal-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
    transition: gap 0.2s;
}
.legal-back:hover { gap: 12px; }

/* ======================
   SCROLL TO TOP
   ====================== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s, box-shadow 0.2s;
    z-index: 50;
    box-shadow: 0 4px 20px rgba(123,47,190,0.3);
}
.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-top:hover {
    box-shadow: 0 6px 30px rgba(123,47,190,0.5);
    transform: translateY(-2px);
}

/* ======================
   RESPONSIVE
   ====================== */
@media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .header { padding: 16px 32px; }
    .hero-overlay { padding: 32px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .channels-grid { grid-template-columns: repeat(2, 1fr); }
    .respondoai-top { flex-direction: column; gap: 40px; }
    .respondoai-mockup { flex: none; width: 100%; max-width: 400px; }
    .about-top { flex-direction: column; gap: 40px; }
    .about-photo { flex: none; }
    .about-photo-frame { width: 100%; max-width: 380px; }
    .footer-content { flex-wrap: wrap; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .header { padding: 14px 20px; }

    /* Show hamburger + mobile menu on mobile */
    .nav-desktop { display: none; }
    .mobile-menu { display: block; }
    .hamburger { display: flex; z-index: 1000; position: relative; }

    /* ---- HERO MOBILE: full image, no crop ---- */
    .hero {
        display: flex;
        flex-direction: column;
        background: #7B2FBE;
    }
    .hero-image {
        width: 100%;
        height: auto;
        object-fit: contain;
        min-height: auto;
    }
    .hero-overlay {
        position: relative;
        background: var(--bg);
        padding: 28px 20px 36px;
    }
    .hero-overlay h1 { font-size: 24px; }
    .hero-overlay p { font-size: 15px; }
    .hero-cta-group { flex-direction: column; gap: 12px; }
    .btn-primary, .btn-secondary {
        text-align: center;
        justify-content: center;
        width: 100%;
        padding: 16px 32px;
    }

    /* ---- SECTIONS MOBILE ---- */
    .section-header h2 { font-size: 32px; }
    .services-section, .respondoai-section, .about-section, .contact-section { padding: 60px 0; }
    .services-grid { grid-template-columns: 1fr; }
    .channels-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .respondoai-text h2, .about-text h2 { font-size: 32px; }
    .respondoai-mockup { flex: none; width: 100%; max-width: 100%; }
    .about-photo { width: 100%; }
    .about-photo-frame { width: 100%; height: auto; aspect-ratio: 3/4; }
    .about-photo::after { display: none; }

    .about-desk-img { max-height: 60vh; object-fit: cover; object-position: center top; }

    .client-case { flex-direction: column; text-align: center; }
    .client-logo { flex: none; }

    .phone-number { width: 100%; justify-content: center; }
    .booking-btn { width: 100%; justify-content: center; }

    .footer-content { flex-direction: column; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
    .footer-bottom-links { justify-content: center; }
}

@media (max-width: 480px) {
    .hero-overlay h1 { font-size: 20px; }
    .nav-links a { font-size: 24px; }
    .channels-grid { grid-template-columns: 1fr; }
    .phone-number { font-size: 18px; padding: 12px 18px; }
    .stat-number { font-size: 32px; }
    .section-header h2 { font-size: 26px; }
    .respondoai-text h2, .about-text h2 { font-size: 26px; }
    .contact-card { padding: 24px 20px; }
}

/* ======================
   FOCUS STATES
   ====================== */
:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.nav-cta:focus-visible,
.booking-btn:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(123,47,190,0.3);
}

.service-card:focus-within {
    border-color: var(--card-border-hover);
}

/* ======================
   ANIMATIONS
   ====================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}