/* ================================================================
   VYLIOX — COMING SOON
   Deep Obsidian · Sapphire Blue · Brushed Silver
   Fonts: Syne (display) · Inter (body) · Space Mono (mono)
   ================================================================ */

/* --- Reset & Root -------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --obsidian: #050505;
    --deep-obsidian: #0b0b0c;
    --silver: #e2e2e2;
    --silver-dim: #9a9a9a;
    --silver-ghost: rgba(226, 226, 226, 0.06);
    --sapphire: #0a84ff;
    --sapphire-glow: rgba(10, 132, 255, 0.18);
    --sapphire-dim: rgba(10, 132, 255, 0.08);
    --border: rgba(255, 255, 255, 0.07);
    --border-active: rgba(255, 255, 255, 0.13);
    --font-display: 'Syne', system-ui, sans-serif;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'Space Mono', monospace;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--obsidian);
    color: var(--silver);
    font-family: var(--font-sans);
    min-height: 100svh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--sapphire);
    color: var(--obsidian);
}

/* --- Starfield Canvas --------------------------------------- */
#starfield {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* --- Grain Overlay ------------------------------------------ */
.grain {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
    background-size: 180px 180px;
    opacity: 0.3;
    mix-blend-mode: overlay;
}

/* --- Ambient Glow ------------------------------------------- */
.ambient-glow {
    position: fixed;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(10, 132, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    will-change: transform;
    transition: opacity 0.3s ease;
}

/* --- Main Wrapper ------------------------------------------- */
.main {
    position: relative;
    z-index: 2;
    min-height: 100svh;
    display: grid;
    grid-template-rows: auto 1fr auto auto;
    grid-template-columns: 1fr;
    padding: clamp(20px, 4vw, 40px) clamp(20px, 5vw, 72px);
    gap: 0;
}

/* --- Header ------------------------------------------------- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: clamp(24px, 4vw, 48px);
    border-bottom: 1px solid var(--border);
    margin-bottom: clamp(24px, 5vw, 60px);
    animation: fadeSlideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.logo-mark {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark svg {
    animation: hexRotate 12s linear infinite;
}

@keyframes hexRotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: clamp(15px, 2vw, 18px);
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--silver);
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid var(--border-active);
    border-radius: 100px;
    background: var(--silver-ghost);
    backdrop-filter: blur(12px);
    font-family: var(--font-mono);
    font-size: clamp(8px, 1.1vw, 10px);
    letter-spacing: 0.1em;
    color: var(--silver-dim);
    white-space: nowrap;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sapphire);
    animation: pulseDot 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulseDot {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(10, 132, 255, 0.6);
    }

    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 4px rgba(10, 132, 255, 0);
    }
}

/* --- Hero --------------------------------------------------- */
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: clamp(20px, 6vw, 80px) 0;
}

/* Eyebrow */
.eyebrow {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: clamp(24px, 4vw, 48px);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.eyebrow.visible {
    opacity: 1;
    transform: translateY(0);
}

.eyebrow-line {
    flex: 1;
    max-width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sapphire), transparent);
    opacity: 0.5;
}

.eyebrow-text {
    font-family: var(--font-mono);
    font-size: clamp(9px, 1.2vw, 11px);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--sapphire);
}

/* Headline */
.headline {
    font-family: var(--font-display);
    font-size: clamp(48px, 10vw, 130px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: clamp(24px, 4vw, 44px);
    color: var(--silver);
}

.headline-row {
    display: block;
    overflow: hidden;
}

.reveal-row {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-row.visible {
    opacity: 1;
    transform: translateY(0);
}

.headline-word {
    display: inline;
}

.accent {
    background: linear-gradient(135deg, var(--sapphire) 0%, #5ab5ff 60%, var(--sapphire) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: accGrad 4s ease infinite;
}

@keyframes accGrad {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Subline */
.subline {
    max-width: 520px;
    font-size: clamp(14px, 1.8vw, 17px);
    font-weight: 300;
    line-height: 1.75;
    color: var(--silver-dim);
    margin-bottom: clamp(32px, 5vw, 56px);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.8s ease 0.1s, transform 0.8s ease 0.1s;
}

.subline.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Waitlist Form ------------------------------------------ */
.waitlist-form {
    width: 100%;
    max-width: 480px;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.waitlist-form.visible {
    opacity: 1;
    transform: translateY(0);
}

.input-group {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-active);
    border-radius: 8px;
    background: rgba(10, 10, 12, 0.7);
    backdrop-filter: blur(20px);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--sapphire);
    box-shadow: 0 0 0 3px var(--sapphire-dim), 0 4px 24px rgba(10, 132, 255, 0.12);
}

.email-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 14px 18px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--silver);
    min-width: 0;
}

.email-input::placeholder {
    color: #4a4a4a;
}

.cta-btn {
    background: var(--sapphire);
    border: none;
    cursor: pointer;
    padding: 14px 22px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
    transition: background 0.25s ease, transform 0.15s ease;
    position: relative;
    overflow: hidden;
}

.cta-btn:hover {
    background: #1a91ff;
}

.cta-btn:active {
    transform: scale(0.97);
}

.cta-btn.loading .btn-text {
    opacity: 0;
}

.cta-btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-arrow {
    font-size: 16px;
    transition: transform 0.2s ease;
}

.cta-btn:hover .btn-arrow {
    transform: translateX(2px);
}

.form-note {
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.05em;
    color: #4a4a4a;
    text-align: center;
}

/* --- Success State ------------------------------------------ */
.success-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}

.success-state.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.success-icon {
    font-size: 32px;
    color: var(--sapphire);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.success-text {
    font-size: 15px;
    color: var(--silver-dim);
    max-width: 320px;
    text-align: center;
    line-height: 1.6;
}

/* --- Feature Pillars --------------------------------------- */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(12px, 2vw, 24px);
    padding: clamp(24px, 4vw, 48px) 0;
    border-top: 1px solid var(--border);
}

.pillar {
    padding: clamp(18px, 2.5vw, 28px);
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--silver-ghost);
    backdrop-filter: blur(12px);
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease calc(var(--i) * 0.1s),
        transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) calc(var(--i) * 0.1s),
        border-color 0.3s ease,
        background 0.3s ease;
}

.pillar.visible {
    opacity: 1;
    transform: translateY(0);
}

.pillar:hover {
    border-color: var(--border-active);
    background: rgba(10, 132, 255, 0.05);
    transform: translateY(-3px);
}

.pillar-icon {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-active);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: var(--sapphire-dim);
}

.pillar-title {
    font-family: var(--font-display);
    font-size: clamp(14px, 1.5vw, 16px);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
    color: var(--silver);
}

.pillar-desc {
    font-size: clamp(12px, 1.2vw, 13px);
    line-height: 1.65;
    color: var(--silver-dim);
}

/* --- Footer ------------------------------------------------ */
.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: clamp(20px, 3vw, 32px);
    border-top: 1px solid var(--border);
    gap: 16px;
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}

.footer-left,
.footer-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.footer-right {
    justify-content: flex-end;
}

.footer-center {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 2;
    justify-content: center;
}

.mono-label {
    font-family: var(--font-mono);
    font-size: clamp(8px, 1vw, 10px);
    letter-spacing: 0.1em;
    color: #3a3a3a;
    text-transform: uppercase;
}

.mono-value {
    font-family: var(--font-mono);
    font-size: clamp(8px, 1vw, 10px);
    letter-spacing: 0.06em;
    color: var(--sapphire);
}

.progress-track {
    width: clamp(80px, 14vw, 180px);
    height: 2px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--sapphire), #5ab5ff);
    border-radius: 2px;
    transition: width 0.4s ease;
    box-shadow: 0 0 8px var(--sapphire);
}

.progress-label {
    min-width: 28px;
    color: var(--silver-dim);
}

/* --- Keyframes --------------------------------------------- */
@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================================================================
   RESPONSIVE — MOBILE FIRST
   ================================================================ */

/* Tablet */
@media (max-width: 768px) {
    .status-pill {
        display: none;
    }

    .pillars {
        grid-template-columns: 1fr;
    }

    .pillar:hover {
        transform: none;
    }

    .footer-left .mono-value,
    .footer-right {
        display: none;
    }

    .footer-center {
        flex: 1;
    }

    .footer-left {
        flex: 0 0 auto;
    }

    .headline {
        font-size: clamp(42px, 12vw, 80px);
    }

    .ambient-glow {
        width: 400px;
        height: 400px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .main {
        padding: 20px;
    }

    .header {
        margin-bottom: 32px;
        padding-bottom: 20px;
    }

    .headline {
        font-size: clamp(38px, 13vw, 64px);
    }

    .input-group {
        flex-direction: column;
        border-radius: 10px;
    }

    .email-input {
        padding: 14px 16px;
        border-radius: 10px 10px 0 0;
    }

    .cta-btn {
        justify-content: center;
        padding: 14px 20px;
        border-radius: 0 0 10px 10px;
    }

    .pillars {
        gap: 10px;
    }

    .footer {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        text-align: center;
    }

    .footer-left,
    .footer-right,
    .footer-center {
        justify-content: center;
    }
}

/* Very small */
@media (max-width: 360px) {
    .headline {
        font-size: 36px;
    }

    .eyebrow-line {
        display: none;
    }
}