/* ===== Base ===== */
body {
    background-color: #FDFBF7;
    overflow-x: hidden;
}

/* ===== Immersive Sequence ===== */
.sequence-beat {
    position: absolute;
    top: 50%;
    display: flex;
    width: 100%;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translate3d(0, 20px, 0);
    transition: opacity 120ms linear, transform 120ms linear;
    will-change: opacity, transform;
}

.sequence-beat-left {
    left: 0;
    align-items: flex-start;
}

.sequence-beat-right {
    right: 0;
    align-items: flex-end;
}

.sequence-beat-center {
    left: 0;
    align-items: center;
}

.sequence-beat-title {
    margin: 0 0 1rem;
    max-width: 11ch;
    font-size: clamp(2.35rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 0.94;
    letter-spacing: -0.06em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.9), 0 4px 40px rgba(0, 0, 0, 0.7), 0 0 8px rgba(0, 0, 0, 1);
}

.sequence-beat-subtitle {
    margin: 0;
    max-width: 32rem;
    font-size: clamp(1rem, 2.2vw, 1.55rem);
    font-weight: 600;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.94);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.9), 0 0 6px rgba(0, 0, 0, 1);
}

.sequence-indicator-bar {
    animation: sequenceIndicatorSlide 1.5s linear infinite;
}

@keyframes sequenceIndicatorSlide {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(32px);
    }
}

@media (min-width: 768px) {
    .sequence-beat-left {
        left: 6rem;
        width: auto;
    }

    .sequence-beat-right {
        right: 6rem;
        width: auto;
    }
}

@media (max-width: 767px) {
    .sequence-beat-left,
    .sequence-beat-right,
    .sequence-beat-center {
        left: 0;
        right: 0;
        align-items: center;
        text-align: center;
    }

    .sequence-beat-title {
        max-width: 13ch;
    }
}

/* ===== Glass Navbar ===== */
.glass-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px -1px rgba(0, 0, 0, 0.05);
}

/* ===== Hero Gradient ===== */
.hero-gradient {
    background: radial-gradient(ellipse at top right, #0077B6 0%, #004B7A 60%, #003553 100%);
    position: relative;
}

/* ===== Phone Mockup ===== */
.phone-mockup {
    border: 10px solid #111827;
    border-radius: 48px;
    background-color: #ffffff;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.3),
        0 0 80px -20px rgba(0, 119, 182, 0.15),
        inset 0 0 0 2px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 125px;
    height: 32px;
    background-color: #111827;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    z-index: 20;
}

/* ===== Scroll Reveal System ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92) translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.in-view {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.in-view {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.in-view {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delays for child elements */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ===== Gradient Border Cards ===== */
.card-glow {
    position: relative;
    overflow: hidden;
}

.card-glow::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(0, 119, 182, 0.15), transparent, rgba(255, 123, 84, 0.15));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.card-glow:hover::before {
    opacity: 1;
}

/* ===== Glowing Input Focus ===== */
.email-input:focus {
    box-shadow: 0 0 0 3px rgba(255, 123, 84, 0.3), 0 0 40px -10px rgba(255, 123, 84, 0.2);
}

/* ===== Number Counter Animation ===== */
.counter-value {
    display: inline-block;
}

/* ===== Premium Divider ===== */
.premium-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 119, 182, 0.2), transparent);
    border: none;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #FDFBF7;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #0077B6, #004B7A);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0077B6, #003553);
}

/* ===== Premium Countdown Tiles ===== */
.countdown-container {
    perspective: 600px;
}

.cd-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 72px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.cd-tile::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 123, 84, 0.08), transparent 50%, rgba(0, 119, 182, 0.08));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cd-tile:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.25);
}

.cd-tile:hover::before {
    opacity: 1;
}

.cd-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
    letter-spacing: -0.04em;
    line-height: 1;
    position: relative;
    z-index: 1;
}

.cd-label {
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(173, 216, 230, 0.5);
    margin-top: 4px;
    position: relative;
    z-index: 1;
}

.cd-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.2);
    padding-bottom: 12px;
    animation: separatorBlink 1.5s ease-in-out infinite;
}

@keyframes separatorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.cd-secs-active {
    animation: secsTick 1s ease-in-out infinite;
}

@keyframes secsTick {
    0%, 100% { transform: scale(1); }
    20% { transform: scale(1.08); }
}

/* Responsive countdown tiles */
@media (max-width: 640px) {
    .cd-tile {
        width: 56px;
        height: 64px;
    }
    .cd-value {
        font-size: 1.25rem;
    }
}


/* ===== Premium Signal Badges ===== */
.signal-badges-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.signal-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px 6px 6px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    cursor: default;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    animation: badgeEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) backwards;
    animation-delay: var(--badge-delay, 0s);
}

.signal-badge:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
}

.signal-badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 14px;
    flex-shrink: 0;
}

@keyframes badgeEntrance {
    0% {
        opacity: 0;
        transform: translateY(8px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}


/* ===== Premium Signup Card ===== */
.signup-card {
    display: inline-block;
}

.signup-card-inner {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 1.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.signup-card-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    animation: cardShimmer 4s ease-in-out infinite;
}

@keyframes cardShimmer {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(50%); }
}

/* Avatar micro-float */
.avatar-float {
    animation: avatarFloat 3s ease-in-out infinite;
    animation-delay: var(--float-delay, 0s);
}

@keyframes avatarFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* Signup progress bar shimmer */
.signup-progress {
    position: relative;
    overflow: hidden;
    animation: progressGrow 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transform-origin: left;
}

.signup-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.35) 50%,
        transparent 100%
    );
    animation: progressShimmer 2s ease-in-out infinite;
}

@keyframes progressGrow {
    0% { width: 0%; }
}

@keyframes progressShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Signup gradient number shimmer */
.signup-number {
    background-size: 200% auto;
    animation: numberShimmer 3s linear infinite;
}

@keyframes numberShimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

/* ===== Smooth selection ===== */
::selection {
    background: #FF7B54;
    color: white;
}