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

:root {
    --bg-dark: #0a0a0a;
    --text-light: #ffffff;
    --text-muted: #888888;
    --accent-blue: #4a9eff;
    --accent-orange: #ff8c42;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 2rem 4rem;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.9), transparent);
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    position: relative;
}

.nav-link:hover {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--text-light);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.waveform {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.hero-title {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-align: center;
    margin: 0;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    text-align: center;
    opacity: 0.6;
    margin: 0;
    animation: fadeInUp 1s ease-out 0.3s;
    animation-fill-mode: both;
}

.hero-footer {
    position: absolute;
    bottom: 3rem;
    left: 4rem;
    right: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    opacity: 0.6;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-arrow {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, var(--text-light), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* Sections */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.container {
    max-width: 1200px;
    width: 100%;
}

.section-header {
    margin-bottom: 3rem;
}

.section-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    opacity: 0.6;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-intro {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    max-width: 600px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.section-statements {
    margin-top: 3rem;
    margin-left: clamp(2rem, 8vw, 6rem);
}

.statement {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    line-height: 1.5;
    margin-bottom: 1.25rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

.statement-accent {
    color: var(--accent-blue);
}

/* Approach Timeline */
.approach-timeline {
    position: relative;
    padding-left: 3rem;
    margin-top: 3rem;
}

.approach-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--text-light), transparent);
    opacity: 0.3;
}

.approach-step {
    position: relative;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.approach-step.step-visible {
    opacity: 1;
    transform: translateY(0);
}

.approach-step::before {
    content: '';
    position: absolute;
    left: -3rem;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background-color: var(--text-light);
    border-radius: 50%;
    opacity: 0.6;
}

.step-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    opacity: 0.5;
    margin-bottom: 0.75rem;
}

.step-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.step-description {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 600px;
}

/* Team Section */
.team-members {
    margin-top: 5rem;
    margin-left: clamp(2rem, 8vw, 6rem);
}

.team-member {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.member-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    opacity: 0.5;
    margin-bottom: 1.5rem;
}

.member-name {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.member-bio {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 650px;
}

/* Contact/Correspondence Section */
.contact-section {
    text-align: center;
}

.contact-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.correspondence-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.5em;
    color: var(--accent-blue);
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.correspondence-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.3;
    max-width: 1100px;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.correspondence-description {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 850px;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.4s, transform 0.6s ease 0.4s;
}

.cta-button {
    display: inline-block;
    padding: 1.25rem 3rem;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.6s, transform 0.6s ease 0.6s, background-color 0.3s ease, color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--accent-blue);
    color: var(--bg-dark);
}

.section.visible .correspondence-label,
.section.visible .correspondence-title,
.section.visible .correspondence-description,
.section.visible .cta-button {
    opacity: 1;
    transform: translateY(0);
}

.section-content {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 800px;
    line-height: 1.8;
    color: var(--text-muted);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.section.visible .section-title,
.section.visible .section-content,
.section.visible .section-intro,
.section.visible .statement,
.section.visible .team-member {
    opacity: 1;
    transform: translateY(0);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.6;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1.5rem 2rem;
        background: rgba(10, 10, 10, 0.95);
    }

    .nav {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-footer {
        flex-direction: column;
        gap: 2rem;
        left: 2rem;
        right: 2rem;
    }

    .section {
        padding: 3rem 1.5rem;
    }

    .section-statements,
    .team-members,
    .approach-timeline {
        margin-left: 1rem;
    }

    .approach-timeline {
        padding-left: 2rem;
    }

    .approach-step::before {
        left: -2rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .correspondence-title {
        font-size: 2rem;
    }

    .cta-button {
        padding: 1rem 2rem;
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1rem 1rem;
    }

    .nav {
        gap: 1rem;
        font-size: 0.7rem;
    }

    .nav-link {
        font-size: 0.65rem;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 0.1em;
    }

    .hero-footer {
        font-size: 0.65rem;
        left: 1rem;
        right: 1rem;
    }

    .section {
        padding: 2rem 1rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-statements,
    .team-members {
        margin-left: 0.5rem;
    }

    .approach-timeline {
        padding-left: 1.5rem;
        margin-left: 0.5rem;
    }

    .approach-step::before {
        left: -1.5rem;
    }

    .statement {
        font-size: 1.25rem;
    }

    .step-title {
        font-size: 1.5rem;
    }

    .member-name {
        font-size: 1.5rem;
    }

    .correspondence-title {
        font-size: 1.75rem;
    }

    .correspondence-description {
        font-size: 0.95rem;
    }

    .cta-button {
        width: 100%;
        max-width: 100%;
    }
}