@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap');

:root {
    --ink-900: #0f172a;
    --ink-700: #334155;
    --ink-500: #64748b;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --primary: #0f766e;
    --primary-soft: #14b8a6;
    --accent: #f97316;
    --accent-soft: #fb923c;
    --shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.12);
    --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.08);
}

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

body {
    font-family: 'Manrope', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--ink-700);
    background: radial-gradient(circle at top left, #e0f2fe 0%, transparent 45%),
        radial-gradient(circle at 80% 20%, #ffedd5 0%, transparent 40%),
        var(--surface-muted);
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
}

h1, h2, h3, .logo {
    font-family: 'Manrope', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink-900);
    letter-spacing: -0.01em;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    padding: 14px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--ink-900);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--ink-700);
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #e0f2fe 0%, #fef3c7 50%, #ffe4e6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(15, 118, 110, 0.18), transparent 65%);
    border-radius: 50%;
    top: -200px;
    right: -200px;
    animation: float 14s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.16), transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
    animation: float 16s ease-in-out infinite reverse;
}

.hero-content {
    max-width: 800px;
    color: var(--ink-900);
    position: relative;
    z-index: 1;
    animation: fade-up 0.8s ease both;
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.18;
    padding-bottom: 0.08em;
    color: var(--ink-900);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
    .hero h1 {
        background: linear-gradient(120deg, #0f766e 0%, #0284c7 55%, #14b8a6 100%);
        background-size: 200% 200%;
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        filter: drop-shadow(0 10px 24px rgba(15, 23, 42, 0.18));
        animation: text-shimmer 8s ease-in-out infinite;
    }
}

.hero p {
    font-size: 22px;
    color: var(--ink-700);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #0f766e 0%, #0284c7 100%);
    color: white;
    padding: 18px 52px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 16px 34px rgba(2, 132, 199, 0.28);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 40px rgba(2, 132, 199, 0.32);
}

/* Products Section */
.products {
    padding: 100px 50px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.16), transparent 70%);
    top: -220px;
    left: -180px;
}

.section-title {
    text-align: center;
    font-size: 42px;
    color: var(--ink-900);
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    color: var(--ink-500);
    font-size: 18px;
    margin-bottom: 60px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: var(--surface);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(148, 163, 184, 0.2);
    animation: card-in 0.7s ease both;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.14);
}

.product-card:nth-child(2) {
    animation-delay: 0.08s;
}

.product-card:nth-child(3) {
    animation-delay: 0.16s;
}

.product-card:nth-child(4) {
    animation-delay: 0.24s;
}

.product-card:nth-child(5) {
    animation-delay: 0.32s;
}

.product-icon {
    width: 84px;
    height: 84px;
    background: linear-gradient(135deg, #3182ce, #63b3ed);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    box-shadow: 0 14px 26px rgba(49, 130, 206, 0.25);
}

.product-icon::after {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    opacity: 0.7;
}

.product-icon svg {
    width: 36px;
    height: 36px;
    stroke: #fff;
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 3px 6px rgba(15, 23, 42, 0.25));
    position: relative;
    z-index: 1;
}

.product-icon.icon-health {
    background: linear-gradient(135deg, #f43f5e, #fb7185);
    box-shadow: 0 14px 26px rgba(244, 63, 94, 0.28);
}

.product-icon.icon-fitness {
    background: linear-gradient(135deg, #22c55e, #86efac);
    box-shadow: 0 14px 26px rgba(34, 197, 94, 0.26);
}

.product-icon.icon-tools {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    box-shadow: 0 14px 26px rgba(245, 158, 11, 0.26);
}

.product-icon.icon-productivity {
    background: linear-gradient(135deg, #6366f1, #a5b4fc);
    box-shadow: 0 14px 26px rgba(99, 102, 241, 0.28);
}

.product-icon.icon-education {
    background: linear-gradient(135deg, #0ea5e9, #38bdf8);
    box-shadow: 0 14px 26px rgba(14, 165, 233, 0.26);
}

.product-card h3 {
    font-size: 22px;
    color: var(--ink-900);
    margin-bottom: 10px;
}

.product-card p {
    color: var(--ink-500);
    font-size: 14px;
}

/* Stats Section */
.stats {
    padding: 80px 50px;
    background: linear-gradient(135deg, #ecfeff 0%, #fef3c7 100%);
    color: var(--ink-900);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.12), transparent 45%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    padding: 24px 18px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(6px);
}

.stat-item h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary);
}

.stat-item p {
    font-size: 16px;
    color: var(--ink-500);
}

/* About Section */
.about {
    padding: 100px 50px;
    background: var(--surface);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    color: var(--ink-700);
    margin-bottom: 30px;
    line-height: 1.8;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-item {
    padding: 30px;
    background: var(--surface-muted);
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
}

.value-item h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 20px;
}

.value-item p {
    font-size: 15px;
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    padding: 100px 50px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    margin-top: 40px;
    padding: 30px 24px;
    background: var(--surface);
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-card);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--ink-700);
}

.contact-item span:first-child {
    font-size: 24px;
    color: var(--accent);
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 40px 50px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(18px);
    }
}

@keyframes fade-up {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes card-in {
    0% {
        opacity: 0;
        transform: translateY(24px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes text-shimmer {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }

    .nav-links {
        gap: 20px;
    }

    .hero h1 {
        font-size: 48px;
        line-height: 1.2;
    }

    .hero p {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .products, .about, .contact {
        padding: 60px 20px;
    }

    .stat-item h2 {
        font-size: 36px;
    }
}