/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: auto; /* Let Lenis handle smooth scrolling */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #050505;
    color: #ffffff;
    overflow-x: hidden;
    cursor: none;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Custom Cursor */
.custom-cursor {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    position: fixed;
    left: 0;
    top: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, border-color 0.2s;
}

.custom-cursor.hover {
    width: 40px;
    height: 40px;
    border-color: rgba(100, 200, 255, 0.8);
}

/* Canvas Container */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Sections */
.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    padding: 5rem 2rem;
}

.content {
    max-width: 1400px;
    width: 100%;
}

/* Hero Section */
.section-hero {
    align-items: center;
    text-align: center;
}

.section-hero .content {
    position: relative;
    z-index: 2;
}

/* Scroll Hint */
.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 2.25rem;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.04);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.85);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: none; /* match custom cursor setup */
    z-index: 3;
    transition: opacity 0.25s ease, transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.scroll-hint:hover {
    border-color: rgba(100, 200, 255, 0.6);
    background: rgba(255, 255, 255, 0.06);
    transform: translateX(-50%) translateY(-2px);
}

.scroll-hint:focus-visible {
    outline: 2px solid rgba(100, 200, 255, 0.9);
    outline-offset: 4px;
}

.scroll-hint.is-hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
    pointer-events: none;
}

.scroll-hint__label {
    opacity: 0.9;
}

.scroll-hint__icon {
    position: relative;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
}

.scroll-hint__dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(100, 200, 255, 0.9);
    box-shadow: 0 0 18px rgba(100, 200, 255, 0.35);
    animation: scrollHintPulse 1.8s ease-in-out infinite;
}

.scroll-hint__arrow {
    position: absolute;
    bottom: -6px;
    width: 8px;
    height: 8px;
    border-right: 2px solid rgba(255, 255, 255, 0.7);
    border-bottom: 2px solid rgba(255, 255, 255, 0.7);
    transform: rotate(45deg);
    animation: scrollHintBounce 1.3s ease-in-out infinite;
    opacity: 0.9;
}

@keyframes scrollHintBounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.75; }
    50% { transform: rotate(45deg) translate(0, 4px); opacity: 1; }
}

@keyframes scrollHintPulse {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(0.75); opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
    .scroll-hint__dot,
    .scroll-hint__arrow {
        animation: none;
    }
    .scroll-hint {
        transition: none;
    }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 12vw, 12rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 2rem;
    text-shadow: 0 0 40px rgba(100, 200, 255, 0.3);
    opacity: 0;
}

.hero-title.is-split {
    opacity: 1;
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0;
}

/* Content Grid */
.content-grid {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.content-grid.reverse {
    direction: rtl;
}

.content-grid.reverse > * {
    direction: ltr;
}

/* Glassmorphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 4rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

@media (min-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Section Titles */
.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffffff;
    line-height: 1.1;
}

.section-text {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Data Visualization */
.data-visualization {
    margin-top: 3rem;
}

.viz-item {
    margin-bottom: 1.5rem;
}

.viz-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.viz-bar {
    height: 4px;
    background: linear-gradient(90deg, rgba(100, 200, 255, 0.8), rgba(100, 200, 255, 0.3));
    border-radius: 2px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* Goals List */
.goals-list {
    list-style: none;
    margin-top: 2rem;
}

.goal-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 1.1rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.goal-item:last-child {
    border-bottom: none;
}

.goal-item:hover {
    transform: translateX(10px);
    color: rgba(100, 200, 255, 1);
}

.goal-icon {
    color: rgba(100, 200, 255, 0.8);
    font-size: 1.5rem;
}

.goal-text {
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    padding: 5rem 2rem;
}

/* Magnetic Button */
.magnetic-btn {
    position: relative;
    padding: 1.5rem 4rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: #050505;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    border: 2px solid rgba(100, 200, 255, 0.5);
    border-radius: 50px;
    cursor: none;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 1;
}

.magnetic-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(100, 200, 255, 0.4);
}

.magnetic-btn:active {
    filter: brightness(0.8);
  }

.magnetic-btn .btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(100, 200, 255, 0.6), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
    border-radius: 50%;
}

.magnetic-btn:hover .btn-glow {
    width: 300px;
    height: 300px;
}

.magnetic-btn .btn-text {
    position: relative;
    z-index: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .glass-card {
        padding: 2rem;
    }
    
    .section {
        padding: 3rem 1.5rem;
    }

    .scroll-hint {
        bottom: 1.5rem;
        padding: 0.6rem 0.9rem;
        font-size: 0.85rem;
    }
}

/* Hide scrollbar but keep functionality */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==========================================
   AUTH OVERLAY (Supabase Login/Register)
   ========================================== */

#auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.62);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

#auth-card {
    position: relative;
    width: min(520px, 92vw);
    border-radius: 22px;
    padding: 2.5rem 2.25rem 2rem;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(100, 200, 255, 0.22);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.06) inset,
        0 0 40px rgba(100, 200, 255, 0.12);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

#auth-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.35), rgba(255, 0, 255, 0.2), rgba(0, 255, 255, 0.18));
    filter: blur(12px);
    opacity: 0.35;
    z-index: -1;
}

#auth-title {
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.25rem;
}

#auth-close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1;
    cursor: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

#auth-close:hover {
    transform: translateY(-1px);
    border-color: rgba(100, 200, 255, 0.5);
    background: rgba(255, 255, 255, 0.07);
}

#auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.auth-tab {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.035);
    color: rgba(255, 255, 255, 0.78);
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.auth-tab:hover {
    transform: translateY(-1px);
    border-color: rgba(100, 200, 255, 0.45);
}

.auth-tab.is-active {
    color: rgba(255, 255, 255, 0.95);
    border-color: rgba(100, 200, 255, 0.65);
    background: rgba(100, 200, 255, 0.09);
    box-shadow: 0 0 22px rgba(100, 200, 255, 0.22);
}

#auth-form {
    display: grid;
    gap: 0.75rem;
}

.auth-label {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 0.25rem;
}

.auth-input {
    width: 100%;
    padding: 0.9rem 0.2rem;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
    font-size: 1rem;
    outline: none;
}

.auth-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.auth-input:focus {
    border-bottom-color: rgba(100, 200, 255, 0.75);
    box-shadow: 0 10px 30px rgba(100, 200, 255, 0.12);
}

#auth-error {
    min-height: 1.2rem;
    margin-top: 0.25rem;
    color: rgba(255, 80, 80, 0.95);
    font-size: 0.95rem;
}

.auth-submit {
    margin-top: 0.25rem;
    padding: 1rem 1.25rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 255, 255, 0.55);
    background: rgba(0, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.95);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    box-shadow: 0 0 26px rgba(0, 255, 255, 0.12);
}

.auth-submit:hover {
    transform: translateY(-1px);
    border-color: rgba(0, 255, 255, 0.9);
    background: rgba(0, 255, 255, 0.14);
    box-shadow: 0 0 32px rgba(0, 255, 255, 0.26);
}

.auth-submit:active {
    transform: translateY(0px);
    filter: brightness(0.92);
}

#auth-card.shake {
    animation: authShake 0.35s ease-in-out;
}

@keyframes authShake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-7px); }
    80% { transform: translateX(7px); }
    100% { transform: translateX(0); }
}

@media (max-width: 480px) {
    #auth-card {
        padding: 2rem 1.5rem 1.5rem;
    }
}