/* =====================================================
   JOHANN RODUIT - SWISS MINIMALIST DESIGN
   Inspired by lokasasmita.com
   Clean, bold, typography-driven
   ===================================================== */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    --color-bg: #ffffff;
    --color-text: #0a0a0a;
    --color-muted: #666666;
    --color-border: #e5e5e5;
    --color-accent: #3B82F6;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    --nav-height: 60px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #0a0a0a;
    --color-text: #ffffff;
    --color-muted: #999999;
    --color-border: #333333;
}

/* =====================================================
   RESET & BASE
   ===================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

::selection {
    background: var(--color-text);
    color: var(--color-bg);
}

/* =====================================================
   NAVIGATION - FIXED TOP
   ===================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-md);
    background: var(--color-bg);
}

.nav-logo {
    flex-shrink: 0;
}

.nav-logo a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text);
    transition: opacity 0.2s;
}

.nav-logo a:hover {
    opacity: 0.6;
}

.nav-items {
    position: fixed;
    top: var(--space-md);
    right: calc(var(--space-md) + 50px);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.nav-item a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-text);
    transition: opacity 0.2s;
}

.nav-item a:hover {
    opacity: 0.6;
}

.nav-item a.active {
    font-weight: 700;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    padding-left: var(--space-sm);
    margin-top: var(--space-xs);
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.active .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 2px 0;
    font-size: 0.7rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-muted);
    transition: all 0.2s;
}

.dropdown-menu a:hover {
    color: var(--color-text);
}

.dropdown-menu a {
    display: block;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-muted);
    transition: all 0.2s;
}

.dropdown-menu a:hover {
    color: var(--color-text);
    background: var(--color-border);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin-left: var(--space-md);
}

.theme-toggle:hover {
    border-color: var(--color-text);
}

.theme-toggle svg {
    fill: var(--color-text);
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

/* Mobile toggle hidden by default */
.nav-toggle {
    display: none;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero-left h3 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    margin-bottom: 0.5rem;
}

.hero-right p {
    font-size: 1rem;
    color: var(--color-muted);
    line-height: 1.7;
    max-width: 500px;
    margin-bottom: var(--space-md);
}

.cta-link {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: opacity 0.2s;
}

.cta-link:hover {
    opacity: 0.6;
}

/* Giant Name */
.giant-name {
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.9;
    text-transform: lowercase;
    margin-top: var(--space-lg);
    position: relative;
    overflow: visible;
    min-height: 1.2em;
    word-break: keep-all;
    overflow-wrap: normal;
}

/* Individual letter styling - visible by default with hover animation */
.giant-name .letter {
    display: inline-block;
    position: relative;
    opacity: 1;
    transform: translateY(0);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        color 0.2s ease;
    cursor: default;
}

.giant-name .letter.space {
    width: 0.3em;
}

/* Word groups prevent mid-word breaking */
.giant-name .word-group {
    display: inline-block;
    white-space: nowrap;
}

/* Fluid hover animation - letters wave and dance */
.giant-name:hover .letter {
    animation: letterWave 0.6s ease-in-out infinite;
    animation-delay: calc(var(--letter-index, 0) * 0.05s);
}

.giant-name .letter:nth-child(1) {
    --letter-index: 0;
}

.giant-name .letter:nth-child(2) {
    --letter-index: 1;
}

.giant-name .letter:nth-child(3) {
    --letter-index: 2;
}

.giant-name .letter:nth-child(4) {
    --letter-index: 3;
}

.giant-name .letter:nth-child(5) {
    --letter-index: 4;
}

.giant-name .letter:nth-child(6) {
    --letter-index: 5;
}

.giant-name .letter:nth-child(7) {
    --letter-index: 6;
}

.giant-name .letter:nth-child(8) {
    --letter-index: 7;
}

.giant-name .letter:nth-child(9) {
    --letter-index: 8;
}

.giant-name .letter:nth-child(10) {
    --letter-index: 9;
}

.giant-name .letter:nth-child(11) {
    --letter-index: 10;
}

.giant-name .letter:nth-child(12) {
    --letter-index: 11;
}

.giant-name .letter:nth-child(13) {
    --letter-index: 12;
}

.giant-name .letter:nth-child(14) {
    --letter-index: 13;
}

.giant-name .letter:nth-child(15) {
    --letter-index: 14;
}

.giant-name .letter:nth-child(16) {
    --letter-index: 15;
}

.giant-name .letter:nth-child(17) {
    --letter-index: 16;
}

/* Wave animation */
@keyframes letterWave {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-8px) rotate(-2deg);
    }

    50% {
        transform: translateY(0) rotate(0deg);
    }

    75% {
        transform: translateY(4px) rotate(1deg);
    }
}

/* Hero footer */
.hero-footer {
    position: absolute;
    bottom: var(--space-md);
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
}

.hero-icon {
    width: 24px;
    height: 24px;
    opacity: 0.5;
}

/* =====================================================
   PAGE CONTAINER
   ===================================================== */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* =====================================================
   PAGE CONTENT (for inner pages)
   ===================================================== */
.page-content {
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.page-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--space-md);
}

/* Section Navigation Buttons (Archive page) */
.section-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--space-xl);
}

.section-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.section-btn:hover {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

/* =====================================================
   CONTENT SECTIONS
   ===================================================== */
.content-section {
    margin-bottom: var(--space-xl);
}

.content-section h2 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    margin-bottom: var(--space-md);
}

.content-section p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.content-section a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.content-section a:hover {
    text-decoration-color: var(--color-muted);
}

/* =====================================================
   CONTENT LISTS
   ===================================================== */
.content-list {
    list-style: none;
}

.content-list li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
}

.content-list li:last-child {
    border-bottom: none;
}

.content-list a {
    color: var(--color-text);
    transition: opacity 0.2s;
}

.content-list a:hover {
    opacity: 0.6;
}

/* =====================================================
   PROJECT GALLERY
   ===================================================== */
.projects-gallery {
    padding: var(--space-xl) var(--space-md);
}

.project-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
    align-items: start;
}

.project-row:first-child {
    border-top: none;
}

.project-number {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1;
    color: var(--color-text);
}

.project-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.project-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.project-info p {
    font-size: 0.875rem;
    color: var(--color-muted);
    line-height: 1.6;
}

.project-link {
    font-size: 0.875rem;
    text-decoration: underline;
    margin-top: var(--space-sm);
    display: inline-block;
}

/* =====================================================
   TESTIMONIALS
   ===================================================== */
.testimonial {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.testimonial:last-child {
    border-bottom: none;
}

.testimonial p {
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.testimonial cite {
    font-size: 0.875rem;
    font-style: normal;
    color: var(--color-muted);
}

/* =====================================================
   ORGANIZATIONS GRID
   ===================================================== */
.org-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.org-item {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    transition: all 0.2s;
}

.org-item:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

/* =====================================================
   NEWS / FEATURED GRID
   ===================================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.news-card {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    transition: border-color 0.2s;
}

.news-card:hover {
    border-color: var(--color-text);
}

.news-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.news-card p {
    font-size: 0.875rem;
    color: var(--color-muted);
    line-height: 1.6;
}

/* =====================================================
   TAG CLOUD
   ===================================================== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    font-size: 0.75rem;
    padding: 4px 12px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    color: var(--color-muted);
    transition: all 0.2s;
}

.tag:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

/* =====================================================
   CONTACT CARDS
   ===================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.contact-card {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: border-color 0.2s;
}

.contact-card:hover {
    border-color: var(--color-text);
}

.contact-card h3 {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    margin-bottom: var(--space-xs);
}

.contact-card a {
    font-weight: 500;
}

/* =====================================================
   TESTIMONIALS PREVIEW (Homepage)
   ===================================================== */
.testimonials-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.testimonial-card {
    padding: var(--space-md);
    border-left: 3px solid var(--color-text);
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .testimonial-card {
    background: rgba(255, 255, 255, 0.03);
}

.testimonial-card p {
    font-size: 1rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.testimonial-card cite {
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 500;
    color: var(--color-muted);
}

/* =====================================================
   CTA SECTION
   ===================================================== */
.cta-section {
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.cta-section h2 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    margin-bottom: var(--space-sm);
}

.cta-section p {
    font-size: 1rem;
    color: var(--color-muted);
    margin-bottom: var(--space-md);
}

.cta-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: opacity 0.2s;
}

.cta-button:hover {
    opacity: 0.8;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: all 0.2s;
}

.social-icon:hover {
    border-color: var(--color-text);
    background: var(--color-text);
}

.social-icon:hover svg {
    fill: var(--color-bg);
}

.social-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--color-text);
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-muted);
}

/* =====================================================
   MOBILE MENU
   ===================================================== */
.mobile-menu {
    display: none;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4rem;
    }

    .nav {
        padding: var(--space-sm);
    }

    .nav-items {
        display: none;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
    }

    .nav-toggle span {
        width: 20px;
        height: 2px;
        background: var(--color-text);
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        z-index: 99;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-md);
    }

    .mobile-menu.active {
        display: flex;
    }

    .mobile-menu a {
        font-size: 1.5rem;
        font-weight: 600;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .giant-name {
        font-size: clamp(2.5rem, 12vw, 5rem);
    }

    .project-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .project-number {
        font-size: 2rem;
    }

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

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

    .page-content {
        padding: calc(var(--nav-height) + var(--space-lg)) var(--space-sm) var(--space-lg);
    }
}