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

:root {
    --color-bg: #0a0a0f;
    --color-surface: #12121a;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-text: #e8e8ed;
    --color-text-muted: #6b6b7b;
    --color-accent: #1eadb9;
    --color-accent-2: #00efd0;
    --color-deep: #1e37a8;
    --gradient-main: linear-gradient(135deg, #00efd0 0%, #1eadb9 50%, #1e6ea8 100%);
    --gradient-text: linear-gradient(135deg, #00efd0 0%, #1eadb9 100%);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius: 12px;
    --radius-lg: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== SMOKE CANVAS ===== */
.smoke-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

/* ===== GRADIENT ORBS ===== */
.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.gradient-orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(30, 173, 185, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.gradient-orb--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(30, 55, 168, 0.12) 0%, transparent 70%);
    bottom: 20%;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.gradient-orb--3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 239, 208, 0.08) 0%, transparent 70%);
    top: 60%;
    right: 10%;
    animation: float 18s ease-in-out infinite 5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(20px);
    background: rgba(10, 10, 15, 0.6);
    border-bottom: 1px solid var(--color-border);
}

.header__logo-img {
    height: 28px;
    width: auto;
}

.header__nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.header__link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}

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

.header__link--accent {
    color: var(--color-accent);
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(30, 173, 185, 0.3);
    border-radius: 100px;
}

.header__link--accent:hover {
    color: var(--color-accent-2);
    border-color: rgba(0, 239, 208, 0.5);
    background: rgba(30, 173, 185, 0.05);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8rem 3rem 4rem;
    position: relative;
    z-index: 1;
    text-align: center;
    overflow: hidden;
}

/* Product image - the star */
.hero__product {
    position: relative;
    margin-bottom: 3rem;
}

.hero__product-glow {
    position: absolute;
    inset: -30%;
    background: radial-gradient(ellipse at 50% 60%, rgba(30, 173, 185, 0.18) 0%, rgba(30, 55, 168, 0.08) 40%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    animation: glow-pulse 5s ease-in-out infinite;
}

.hero__device-img {
    position: relative;
    z-index: 2;
    width: min(480px, 75vw);
    height: auto;
    border-radius: 30% 30% 20% 20%;
    -webkit-mask-image: radial-gradient(ellipse 80% 85% at 50% 45%, black 50%, transparent 100%);
    mask-image: radial-gradient(ellipse 80% 85% at 50% 45%, black 50%, transparent 100%);
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 100px rgba(30, 173, 185, 0.2));
    animation: device-float 6s ease-in-out infinite;
}

@keyframes device-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* Text overlay below product */
.hero__overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(30, 173, 185, 0.08);
    border: 1px solid rgba(30, 173, 185, 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.hero__title-line {
    display: block;
}

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

.hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 440px;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn--primary {
    background: var(--gradient-main);
    color: #0a0a0f;
    box-shadow: 0 4px 20px rgba(30, 173, 185, 0.3);
}

.btn--primary:hover {
    box-shadow: 0 6px 30px rgba(30, 173, 185, 0.5);
    transform: translateY(-2px);
}

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

.btn--ghost:hover {
    color: var(--color-text);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.02);
}

/* ===== FEATURES ===== */
.features {
    padding: 6rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    background: rgba(18, 18, 26, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.feature-card:hover {
    border-color: rgba(30, 173, 185, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(30, 173, 185, 0.08);
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.feature-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.feature-card__text {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    font-weight: 300;
}

/* ===== MANIFESTO ===== */
.manifesto {
    padding: 8rem 3rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.manifesto__label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 1.5rem;
}

.manifesto__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.manifesto__text {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== CONTACT ===== */
.contact {
    padding: 6rem 3rem 8rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact__title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.contact__text {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-weight: 300;
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 460px;
    margin: 0 auto 1.5rem;
    width: 100%;
}

.contact__input {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.3s ease;
}

.contact__textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

.contact__input::placeholder {
    color: var(--color-text-muted);
}

.contact__input:focus {
    border-color: rgba(30, 173, 185, 0.4);
}

.contact__consent {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    cursor: pointer;
    text-align: left;
}

.contact__consent input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 3px;
    accent-color: var(--color-accent);
    flex-shrink: 0;
    cursor: pointer;
}

.contact__consent span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.contact__consent a {
    color: var(--color-accent);
    text-decoration: none;
}

.contact__consent a:hover {
    text-decoration: underline;
}

.btn--submit {
    width: 100%;
    justify-content: center;
    padding: 0.95rem 1.75rem;
    border-radius: 14px;
}

.contact__status {
    font-size: 0.85rem;
    min-height: 1.2em;
    margin-top: 0.25rem;
    transition: opacity 0.3s ease;
}

.contact__status--ok {
    color: var(--color-accent-2);
}

.contact__status--err {
    color: #f06;
}

.contact__links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.contact__social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.contact__social-link:hover {
    color: var(--color-accent);
}

/* ===== FOOTER ===== */
.footer {
    padding: 2rem 3rem;
    border-top: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.footer__brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.footer__copy {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__device-img {
        width: min(400px, 75vw);
    }
    
    .features__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem 1.5rem;
    }
    
    .hero {
        padding: 8rem 1.5rem 3rem;
    }
    
    .features {
        padding: 4rem 1.5rem;
    }
    
    .manifesto {
        padding: 4rem 1.5rem;
    }
    
    .contact {
        padding: 4rem 1.5rem 6rem;
    }
    
    
    .footer__content {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== FOOTER LINK ===== */
.footer__link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

.footer__link:hover {
    color: var(--color-accent);
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1rem 2rem;
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-border);
    transform: translateY(0);
    transition: transform 0.4s ease;
}

.cookie-banner.hidden {
    transform: translateY(100%);
    pointer-events: none;
}

.cookie-banner p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
}

.cookie-banner a {
    color: var(--color-accent);
    text-decoration: none;
}

.btn--cookie {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
    border-radius: 8px;
    white-space: nowrap;
}