/* ---------- RESET & MODERN BASE (Ultra Smooth) ---------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --bg-deep: #050505;
            --bg-surface: #0c0c0e;
            --bg-elevated: #141416;
            --border-glass: rgba(255, 255, 255, 0.06);
            --border-glow: rgba(6, 182, 212, 0.3);
            --accent-cyan: #06b6d4;
            --accent-cyan-glow: #22d3ee;
            --accent-purple: #a855f7;
            --text-primary: #f9fafb;
            --text-secondary: #a1a1aa;
            --text-soft: #d4d4d8;
            --shadow-elevated: 0 25px 40px -12px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 15px rgba(6, 182, 212, 0.2);
            --transition-smooth: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.03) 0%, var(--bg-deep) 90%);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.5;
            overflow-x: hidden;
            cursor: default;
            scroll-behavior: smooth;
        }

        /* animated gradient noise / orb background */
        .ambient-orb {
            position: fixed;
            width: 80vw;
            height: 80vw;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, rgba(168, 85, 247, 0.02) 70%);
            border-radius: 50%;
            top: -30%;
            right: -20%;
            z-index: -2;
            filter: blur(80px);
            animation: floatOrb 24s infinite alternate ease-in-out;
            pointer-events: none;
        }

        .ambient-orb-second {
            left: -20%;
            bottom: -20%;
            top: auto;
            width: 70vw;
            height: 70vw;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.06) 0%, transparent 80%);
            animation: floatOrbReverse 20s infinite alternate;
        }

        @keyframes floatOrb {
            0% { transform: translate(0, 0) scale(1); opacity: 0.5; }
            100% { transform: translate(5%, 5%) scale(1.2); opacity: 0.8; }
        }
        @keyframes floatOrbReverse {
            0% { transform: translate(0, 0) scale(1); }
            100% { transform: translate(-6%, 8%) scale(1.3); }
        }

        /* custom scrollbar (minimal) */
        ::-webkit-scrollbar {
            width: 5px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a2a30;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-cyan);
        }

        /* container */
        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 32px;
            position: relative;
            z-index: 2;
        }

        /* ---------- CUSTOM CURSOR (Premium Interactive) ---------- */
        .cursor-dot {
            position: fixed;
            width: 8px;
            height: 8px;
            background: var(--accent-cyan);
            border-radius: 50%;
            pointer-events: none;
            z-index: 9999;
            transition: transform 0.08s linear, background 0.2s, width 0.2s, height 0.2s;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 6px rgba(6, 182, 212, 0.7);
            opacity: 0;
        }
        .cursor-dot.active {
            width: 32px;
            height: 32px;
            background: rgba(6, 182, 212, 0.2);
            border: 1px solid rgba(6, 182, 212, 0.6);
            mix-blend-mode: difference;
        }

        /* Typography refinements */
        h1, h2, h3 {
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .gradient-text {
            background: linear-gradient(125deg, #ffffff, var(--accent-cyan-glow), #a78bfa);
            background-size: 200% auto;
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: shimmer 5s linear infinite;
        }
        @keyframes shimmer {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }

        /* Navbar (glassmorphic) */
        .navbar {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            backdrop-filter: blur(12px);
            background: rgba(5, 5, 5, 0.6);
            border-bottom: 1px solid var(--border-glass);
            position: sticky;
            top: 0;
            z-index: 100;
            margin-bottom: 20px;
            transition: var(--transition-smooth);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-icon {
            font-size: 2rem;
            filter: drop-shadow(0 0 4px var(--accent-cyan));
            transition: transform 0.3s ease;
            animation: gentleSwim 3s infinite ease;
        }
        @keyframes gentleSwim {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-3px) rotate(3deg); }
        }
        .logo-text {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, #22d3ee);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo-text span {
            background: none;
            -webkit-text-fill-color: var(--accent-cyan);
            font-weight: 600;
        }
        .nav-links {
            display: flex;
            gap: 36px;
            align-items: center;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s, transform 0.2s;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a:hover {
            color: var(--accent-cyan);
        }
        .cta-small {
            background: rgba(6, 182, 212, 0.12);
            padding: 8px 24px;
            border-radius: 40px;
            border: 1px solid rgba(6, 182, 212, 0.3);
            color: var(--accent-cyan) !important;
        }
        .cta-small:hover {
            background: rgba(6, 182, 212, 0.25);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(6, 182, 212, 0.2);
        }

        /* Hero Section */
        .hero {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 70px 0 90px;
        }
        .dolphin-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(6, 182, 212, 0.1);
            backdrop-filter: blur(4px);
            padding: 8px 20px;
            border-radius: 60px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-cyan);
            margin-bottom: 28px;
            border: 1px solid rgba(6, 182, 212, 0.2);
            animation: fadeSlideUp 0.6s ease-out;
        }
        .hero h1 {
            font-size: clamp(2.8rem, 9vw, 5.5rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 28px;
            max-width: 950px;
            animation: fadeSlideUp 0.6s ease-out 0.1s backwards;
        }
        .tagline {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 36px;
            animation: fadeSlideUp 0.6s ease-out 0.2s backwards;
        }
        .btn-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            animation: fadeSlideUp 0.6s ease-out 0.3s backwards;
        }
        .btn-primary {
            background: linear-gradient(105deg, var(--accent-cyan), #0891b2);
            color: #09090b;
            border: none;
            padding: 14px 36px;
            border-radius: 48px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(6, 182, 212, 0.4);
            background: linear-gradient(105deg, #22d3ee, #06b6d4);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 14px 36px;
            border-radius: 48px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.25s;
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            background: rgba(6, 182, 212, 0.08);
            transform: translateY(-3px);
        }

        /* Mockup (advanced glass + hover) */
        .mockup {
            margin-top: 70px;
            background: rgba(18, 18, 22, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 36px;
            border: 1px solid rgba(6, 182, 212, 0.2);
            overflow: hidden;
            transition: transform 0.4s ease, box-shadow 0.4s;
            width: 100%;
            max-width: 780px;
            box-shadow: var(--shadow-elevated);
        }
        .mockup:hover {
            transform: translateY(-8px) scale(1.01);
            border-color: rgba(6, 182, 212, 0.5);
            box-shadow: 0 25px 40px -12px rgba(6, 182, 212, 0.25);
        }
        .mockup-inner {
            padding: 24px;
        }
        .chat-preview-header {
            display: flex;
            align-items: center;
            gap: 14px;
            padding-bottom: 18px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 20px;
            font-weight: 500;
        }
        .preview-avatar {
            background: linear-gradient(145deg, #06b6d4, #0284c7);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 0 8px rgba(6,182,212,0.6);
        }
        .chat-preview-messages {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-bottom: 24px;
        }
        .message-row {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            opacity: 0;
            transform: translateY(10px);
            animation: messagePop 0.45s forwards;
        }
        .message-row:nth-child(1) { animation-delay: 0.1s; }
        .message-row:nth-child(2) { animation-delay: 0.3s; }
        @keyframes messagePop {
            to { opacity: 1; transform: translateY(0); }
        }
        .msg-icon {
            font-size: 1.3rem;
            width: 34px;
            text-align: center;
        }
        .bubble {
            padding: 12px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            max-width: 80%;
            transition: transform 0.2s;
        }
        .user-bubble {
            background: #1e293b;
            color: #f1f5f9;
            border-bottom-right-radius: 6px;
        }
        .ai-bubble {
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.3);
            backdrop-filter: blur(4px);
            border-top-left-radius: 6px;
        }
        .preview-footer {
            font-size: 0.7rem;
            color: var(--text-secondary);
            text-align: center;
            padding-top: 14px;
            border-top: 1px solid rgba(255,255,255,0.05);
            letter-spacing: 0.3px;
        }

        /* Features grid */
        .section {
            padding: 90px 0 80px;
        }
        .section-title {
            text-align: center;
            font-size: 2.4rem;
            margin-bottom: 56px;
            background: linear-gradient(125deg, #fff, #a1a1aa);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
            gap: 34px;
        }
        .feature-card {
            background: rgba(18, 18, 24, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-glass);
            border-radius: 32px;
            padding: 32px 28px;
            transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            transform: translateY(0);
        }
        .feature-card:hover {
            border-color: rgba(6, 182, 212, 0.5);
            transform: translateY(-8px);
            background: rgba(22, 22, 30, 0.8);
            box-shadow: 0 20px 32px -12px rgba(0,0,0,0.5);
        }
        .feature-icon {
            font-size: 2.6rem;
            margin-bottom: 24px;
            transition: transform 0.2s ease;
            display: inline-block;
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.08) rotate(2deg);
        }
        .feature-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Steps section */
        .steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 56px;
            margin-top: 40px;
        }
        .step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            transition: all 0.3s;
        }
        .step-number {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(6,182,212,0.05));
            border-radius: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin: 0 auto 22px;
            border: 1px solid rgba(6,182,212,0.4);
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .step:hover .step-number {
            transform: scale(1.05);
            box-shadow: 0 0 18px rgba(6,182,212,0.3);
        }
        .step h4 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }
        .step p {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* Quote line */
        .quote-line {
            text-align: center;
            margin: 20px 0 30px;
            color: #52525b;
            font-size: 0.9rem;
            letter-spacing: 0.8px;
            font-weight: 400;
        }

        /* Footer */
        .footer {
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 36px;
            margin-top: 40px;
            text-align: center;
            color: var(--text-secondary);
        }
        .credit {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.9rem;
        }
        .heart {
            color: #f43f5e;
        }
        .credit a {
            color: var(--text-primary);
            text-decoration: none;
            border-bottom: 1px dotted var(--accent-cyan);
        }
        .credit a:hover {
            color: var(--accent-cyan);
        }
        .footer-meta {
            margin-top: 24px;
            font-size: 0.7rem;
            opacity: 0.6;
        }

        /* Animations + scroll reveal */
        [data-aos] {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.1), transform 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        }
        [data-aos].aos-animate {
            opacity: 1;
            transform: translateY(0);
        }
        @keyframes fadeSlideUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .navbar { flex-direction: column; background: rgba(0,0,0,0.8); }
            .hero { padding: 40px 0 60px; }
            .section { padding: 60px 0; }
            .features-grid { gap: 24px; }
            .cursor-dot { display: none; }
            .mockup { max-width: 100%; }
        }