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

:root {
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-accent: #ffffff;
    --color-muted: rgba(255, 255, 255, 0.4);
    --color-subtle: rgba(255, 255, 255, 0.1);
    --font-main: 'Space Grotesk', -apple-system, sans-serif;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

html {
    scroll-behavior: auto;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
    cursor: none;
}

/* Custom Cursor */
.cursor {
    width: 8px;
    height: 8px;
    background: var(--color-text);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    transition: transform 0.1s var(--ease-out-expo);
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.3s var(--ease-out-expo),
                width 0.3s var(--ease-out-expo),
                height 0.3s var(--ease-out-expo),
                border-color 0.3s ease;
}

.cursor-follower.hover {
    width: 60px;
    height: 60px;
    border-color: rgba(255, 255, 255, 0.8);
}

/* Particle Canvas */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.6;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    mix-blend-mode: difference;
}

.nav-logo {
    font-size: 1.5rem;
    opacity: 0;
    transform: translateY(-20px);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(-20px);
}

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

@keyframes pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-text), rgba(255,255,255,0.3));
    width: 0%;
    z-index: 1000;
    transform-origin: left;
}

/* Main Sections */
.main {
    position: relative;
    z-index: 1;
}

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 50px;
}

.section-counter {
    position: absolute;
    bottom: 40px;
    right: 50px;
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--color-muted);
    font-weight: 500;
}

/* Hero Section */
.section-hero {
    flex-direction: column;
}

.hero-content {
    text-align: center;
    position: relative;
}

.hero-symbol {
    position: relative;
    margin-bottom: 3rem;
    display: inline-block;
}

.symbol-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.symbol-icon {
    font-size: 6rem;
    position: relative;
    z-index: 1;
    display: block;
    opacity: 0;
    transform: scale(0.5) rotate(-180deg);
    filter: drop-shadow(0 0 30px rgba(255,255,255,0.3));
}

.hero-title {
    font-size: clamp(3rem, 12vw, 10rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    overflow: hidden;
}

.title-word {
    display: inline-block;
    transform: translateY(100%);
}

.title-word.forge {
    font-weight: 400;
    background: linear-gradient(180deg, #fff 0%, #666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-line {
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-text), transparent);
    margin: 0 auto 2rem;
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--color-muted);
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(20px);
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
}

.scroll-text {
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--color-text), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Words Section */
.section-words {
    background: linear-gradient(180deg, var(--color-bg) 0%, #050505 100%);
    overflow: hidden;
}

.words-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.word-item {
    font-size: clamp(2rem, 8vw, 6rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
    transition: all 0.5s var(--ease-out-expo);
    cursor: default;
    opacity: 0;
    transform: translateX(-100px);
}

.word-item:hover {
    color: var(--color-text);
    -webkit-text-stroke: 1px transparent;
    text-shadow: 0 0 60px rgba(255, 255, 255, 0.5);
}

/* Promise Section */
.section-promise {
    background: #030303;
}

.promise-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.promise-brackets {
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 200;
    color: var(--color-subtle);
    opacity: 0;
    transform: scaleY(0);
}

.promise-text {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.promise-line {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    opacity: 0;
    transform: translateY(30px);
}

.promise-line.highlight {
    font-weight: 700;
    background: linear-gradient(90deg, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* CTA Section */
.section-cta {
    background: linear-gradient(180deg, #030303 0%, var(--color-bg) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
}

.cta-label {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
}

.cta-form {
    display: flex;
    gap: 1rem;
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
}

.input-wrapper {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.email-input {
    width: 100%;
    padding: 18px 24px;
    font-size: 1rem;
    font-family: var(--font-main);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-subtle);
    color: var(--color-text);
    outline: none;
    transition: all 0.3s var(--ease-out-expo);
}

.email-input::placeholder {
    color: var(--color-muted);
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-text);
    transition: width 0.5s var(--ease-out-expo);
}

.email-input:focus + .input-line {
    width: 100%;
}

.notify-btn {
    padding: 18px 36px;
    font-size: 0.9rem;
    font-family: var(--font-main);
    font-weight: 600;
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    cursor: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s var(--ease-out-expo);
    overflow: hidden;
    position: relative;
}

.notify-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
    transition: left 0.5s var(--ease-out-expo);
}

.notify-btn:hover::before {
    left: 100%;
}

.notify-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

.notify-btn:hover .btn-arrow {
    transform: translateX(5px);
}

.btn-arrow {
    transition: transform 0.3s var(--ease-out-expo);
}

.message {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    min-height: 20px;
    color: var(--color-muted);
}

.message.success {
    color: var(--color-text);
}

/* Footer Section */
.section-footer {
    min-height: 50vh;
    background: var(--color-bg);
    border-top: 1px solid var(--color-subtle);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
}

.footer-logo {
    font-size: 2rem;
    opacity: 0.5;
}

.footer-text {
    font-size: 0.8rem;
    letter-spacing: 4px;
    color: var(--color-muted);
}

.footer-year {
    font-size: 0.7rem;
    color: var(--color-subtle);
}

/* Responsive */
@media (max-width: 768px) {
    .cursor, .cursor-follower {
        display: none;
    }

    body {
        cursor: auto;
    }

    .nav {
        padding: 20px 30px;
    }

    .section {
        padding: 80px 30px;
    }

    .section-counter {
        right: 30px;
        bottom: 30px;
    }

    .cta-form {
        flex-direction: column;
        align-items: center;
    }

    .input-wrapper {
        width: 100%;
        max-width: none;
    }

    .notify-btn {
        width: 100%;
        justify-content: center;
    }

    .promise-content {
        flex-direction: column;
        gap: 1rem;
    }

    .promise-brackets {
        display: none;
    }
}

/* Selection */
::selection {
    background: var(--color-text);
    color: var(--color-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-subtle);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-muted);
}