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

:root {
    --background: #f8fafc;
    --foreground: #1e293b;
    --card: #ffffff;
    --border: #e2e8f0;
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --muted: #64748b;
    --muted-foreground: #475569;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --blue-100: #dbeafe;
    --blue-300: #93c5fd;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom, var(--slate-50), #ffffff, #eff6ff);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: oklch(from var(--background) l c h / 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid oklch(from var(--border) l c h / 0.3);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-logo:hover {
    color: var(--primary);
}

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

.nav-link {
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--foreground);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary);
}

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.75rem;
    }
}


.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Back Button */
.back-button {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 50;
    text-decoration: none;
    color: var(--slate-600);
    transition: color 0.3s;
}

.back-button:hover {
    color: var(--slate-900);
}

.back-button-circle {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--slate-300);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.back-button:hover .back-button-circle {
    border-color: var(--slate-400);
}

.back-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Hero Section */
.sheregesh-hero {
    position: relative;
    padding-top: 4rem;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(30, 41, 59, 0.2),
        transparent,
        rgba(255, 255, 255, 1)
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--slate-800);
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 5rem;
    }
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 200;
    color: var(--slate-600);
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 2.5rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--slate-500);
    max-width: 42rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.25rem;
    }
}

.hero-button-container {
    padding-top: 2rem;
}

.hero-cta-button {
    position: relative;
    display: inline-block;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
}

.button-glow {
    position: absolute;
    inset: 0;
    background: rgba(96, 165, 250, 0.3);
    filter: blur(1.5rem);
    transform: skewX(-12deg);
    transition: all 0.5s;
}

.hero-cta-button:hover .button-glow {
    filter: blur(2rem);
}

.button-content {
    position: relative;
    padding: 1rem 3rem;
    border: 2px solid var(--slate-300);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    transform: skewX(-12deg);
    transition: all 0.3s;
}

.hero-cta-button:hover .button-content {
    border-color: var(--blue-400);
    transform: skewX(-12deg) scale(1.05);
}

.button-text {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--slate-700);
    transform: skewX(12deg);
}

/* What Is Section */
.what-is-section {
    position: relative;
    padding: 8rem 1.5rem;
}

.what-is-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.what-is-text {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--slate-700);
    line-height: 1.75;
}

@media (min-width: 768px) {
    .what-is-text {
        font-size: 1.875rem;
    }
}

.diagonal-line-decoration {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        rgba(96, 165, 250, 0.5),
        transparent
    );
    transform: translateY(-50%) skewY(-3deg);
}

/* Portal States Section */
.portal-states-section {
    padding: 8rem 1.5rem;
    background: linear-gradient(to bottom, #ffffff, var(--slate-50));
}

.section-title {
    font-size: 2.5rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 5rem;
    color: var(--slate-800);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3.125rem;
    }
}

.states-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .states-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.state-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    transition: transform 0.5s;
    cursor: pointer;
}

.state-item:hover {
    transform: scale(1.1);
}

.state-circle-container {
    position: relative;
    width: 8rem;
    height: 8rem;
}

.state-circle-glow {
    position: absolute;
    inset: 0;
    background: rgba(96, 165, 250, 0.2);
    filter: blur(1.5rem);
    transform: rotate(45deg);
    transition: all 0.5s;
    border-radius: 50%;
}

.state-item:hover .state-circle-glow {
    filter: blur(2rem);
}

.state-circle {
    position: relative;
    width: 100%;
    height: 100%;
    border: 2px solid var(--slate-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    transition: all 0.3s;
    transform: rotate(45deg);
}

.state-item:hover .state-circle {
    border-color: var(--blue-400);
    transform: rotate(45deg);
}

.state-icon {
    font-size: 2.5rem;
    transform: rotate(-45deg);
}

.state-speed-line {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4rem;
    height: 1px;
    background: rgba(96, 165, 250, 0.5);
    transform: translate(-50%, -50%) rotate(45deg);
    opacity: 0;
    transition: opacity 0.3s;
}

.state-item:hover .state-speed-line {
    opacity: 1;
}

.state-label {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--slate-700);
}

/* How It Works Section */
.how-it-works-section {
    position: relative;
    padding: 8rem 1.5rem;
    overflow: hidden;
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

.info-card {
    position: relative;
    background: #ffffff;
    border: 1px solid var(--slate-200);
    padding: 2rem;
    transition: all 0.5s;
    cursor: pointer;
}

.info-card:hover {
    border-color: var(--blue-400);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card-accent {
    position: absolute;
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    background: linear-gradient(to bottom right, var(--blue-100), transparent);
    opacity: 0;
    transition: opacity 0.5s;
    transform: rotate(45deg) translateY(-4rem) translateX(4rem);
}

.info-card:hover .card-accent {
    opacity: 1;
}

.card-content {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-title {
    font-size: 1.875rem;
    font-weight: 300;
    color: var(--slate-800);
}

.card-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--slate-600);
    line-height: 1.75;
}

.card-description {
    font-size: 1rem;
    color: var(--slate-500);
    line-height: 1.75;
}

.card-speed-line {
    position: absolute;
    bottom: 1rem;
    left: 2rem;
    right: 2rem;
    height: 1px;
    background: linear-gradient(
        to right,
        rgba(96, 165, 250, 0),
        rgba(96, 165, 250, 0.5),
        rgba(96, 165, 250, 0)
    );
    transform: skewX(-12deg);
    opacity: 0;
    transition: opacity 0.5s;
}

.info-card:hover .card-speed-line {
    opacity: 1;
}

.background-diagonal-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.1;
}

.background-diagonal-lines::before,
.background-diagonal-lines::after {
    content: '';
    position: absolute;
    height: 100%;
    width: 1px;
    background: var(--slate-300);
    transform: skewX(-12deg);
}

.background-diagonal-lines::before {
    left: 12.5%;
}

.background-diagonal-lines::after {
    left: 25%;
}

/* Journey Section */
.journey-section {
    padding: 8rem 1.5rem;
    background: linear-gradient(to bottom, var(--slate-50), #ffffff);
}

.journey-path {
    position: relative;
    padding: 5rem 0;
}

.journey-connecting-line {
    display: none;
}

@media (min-width: 768px) {
    .journey-connecting-line {
        display: block;
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(
            to right,
            var(--blue-300),
            var(--blue-400),
            var(--blue-300)
        );
        transform: translateY(-50%) skewY(-3deg);
    }
}

.journey-steps {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
}

@media (min-width: 768px) {
    .journey-steps {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }
}

.journey-step {
    position: relative;
    flex: 1;
    text-align: center;
    cursor: pointer;
}

.step-circle-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 6rem;
    height: 6rem;
    margin: 0 auto 1rem;
    transition: transform 0.5s;
}

.journey-step:hover .step-circle-container {
    transform: scale(1.1);
}

.step-circle-glow {
    position: absolute;
    inset: 0;
    background: rgba(96, 165, 250, 0.2);
    filter: blur(1rem);
    border-radius: 50%;
    transition: all 0.5s;
}

.journey-step:hover .step-circle-glow {
    filter: blur(1.5rem);
}

.step-circle {
    position: relative;
    width: 100%;
    height: 100%;
    border: 2px solid var(--slate-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    transition: all 0.3s;
}

.journey-step:hover .step-circle {
    border-color: var(--blue-400);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--slate-700);
}

.step-label {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--slate-700);
}

.step-arrow {
    display: none;
}

@media (min-width: 768px) {
    .step-arrow {
        display: block;
        position: absolute;
        top: 3rem;
        right: -2rem;
        color: var(--blue-400);
        font-size: 1.5rem;
    }
}

.journey-footer {
    text-align: center;
    margin-top: 4rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.journey-footer-text {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--slate-700);
}

@media (min-width: 768px) {
    .journey-footer-text {
        font-size: 1.5rem;
    }
}

.journey-footer-description {
    font-size: 1.125rem;
    color: var(--slate-600);
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 8rem 1.5rem;
    overflow: hidden;
}

.cta-button {
    position: relative;
    display: inline-block;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
    margin: 0 auto;
    display: block;
}

.cta-button-glow {
    position: absolute;
    inset: 0;
    background: rgba(59, 130, 246, 0.3);
    filter: blur(2rem);
    transform: skewX(-12deg);
    transition: all 0.5s;
}

.cta-button:hover .cta-button-glow {
    filter: blur(3rem);
}

.cta-button-content {
    position: relative;
    padding: 1.5rem 4rem;
    border: 2px solid var(--blue-400);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    transform: skewX(-12deg);
    transition: all 0.3s;
}

.cta-button:hover .cta-button-content {
    border-color: var(--blue-500);
    transform: skewX(-12deg) scale(1.05);
}

.cta-button-text {
    display: inline-block;
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--slate-800);
    font-weight: 300;
    transform: skewX(12deg);
}

.cta-note {
    font-size: 1.125rem;
    color: var(--slate-600);
    text-align: center;
    margin-top: 2rem;
}

.cta-animated-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    opacity: 0.2;
}

.cta-animated-lines::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom right,
        rgba(96, 165, 250, 0.3),
        transparent,
        rgba(96, 165, 250, 0.3)
    );
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 0.4;
    }
}

/* For Whom Section */
.for-whom-section {
    padding: 8rem 1.5rem;
    background: linear-gradient(to bottom, #ffffff, var(--slate-50));
}

.for-whom-list {
    max-width: 64rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.for-whom-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

.for-whom-marker {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border: 2px solid var(--slate-300);
    background: #ffffff;
    transition: all 0.3s;
    transform: rotate(-12deg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.for-whom-item:hover .for-whom-marker {
    border-color: var(--blue-400);
    transform: rotate(12deg);
}

.marker-line {
    width: 1rem;
    height: 1px;
    background: var(--blue-400);
    transform: rotate(45deg);
}

.for-whom-text {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--slate-700);
}

@media (min-width: 768px) {
    .for-whom-text {
        font-size: 1.5rem;
    }
}

/* Audio Section */
.audio-section {
    padding: 8rem 1.5rem;
}

.audio-card {
    position: relative;
    background: #ffffff;
    border: 1px solid var(--slate-200);
    padding: 3rem;
    text-align: center;
    transition: all 0.5s;
    cursor: pointer;
    max-width: 64rem;
    margin: 0 auto;
}

.audio-card:hover {
    border-color: var(--blue-400);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.audio-card-top-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0.25rem;
    background: linear-gradient(
        to right,
        transparent,
        var(--blue-400),
        transparent
    );
    transform: skewX(-12deg);
}

.audio-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.audio-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.audio-button {
    width: 3rem;
    height: 3rem;
    border: 2px solid var(--slate-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    cursor: pointer;
    transition: all 0.3s;
    padding: 0;
    border: none;
}

.audio-card:hover .audio-button {
    border-color: var(--blue-400);
}

.play-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--slate-600);
    transition: color 0.3s;
}

.audio-card:hover .play-icon {
    color: var(--blue-500);
}

.audio-title {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--slate-800);
}

.audio-wave {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    height: 4rem;
}

.wave-bar {
    width: 0.25rem;
    background: rgba(96, 165, 250, 0.5);
    transition: all 0.3s;
    transform-origin: bottom;
}

.audio-card:hover .wave-bar {
    background: var(--blue-400);
}

/* Closing Section */
.closing-section {
    position: relative;
    padding: 8rem 1.5rem;
}

.closing-section .container {
    max-width: 64rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.closing-text {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--slate-700);
    line-height: 1.75;
}

@media (min-width: 768px) {
    .closing-text {
        font-size: 1.875rem;
    }
}

.closing-diagonal-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.1;
}

.closing-diagonal-lines::before,
.closing-diagonal-lines::after {
    content: '';
    position: absolute;
    height: 100%;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--slate-400),
        transparent
    );
    transform: skewX(-12deg);
}

.closing-diagonal-lines::before {
    left: 20%;
}

.closing-diagonal-lines::after {
    left: 40%;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}