/* ======================
   CSS Variables & Reset
   ====================== */

:root {
    /* Colors - Light Minimalist Palette */
    --color-bg: #F7F3FA;
    --color-white: #ffffff;
    --color-black: #1F1F1F;
    --color-gray: #DCE1E5;
    --color-gray-light: #E8EAED;
    --color-gray-dark: #9BA3AF;
    --color-blue: #5AA9D9;
    --color-blue-light: #87C3E8;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    
    /* Animation */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* Dark Mode (Secret - Activated by Konami Code) */
body.dark-mode {
    --color-bg: #0a0a0a;
    --color-white: #1a1a1a;
    --color-black: #ffffff;
    --color-gray: #2d2d2d;
    --color-gray-light: #1f1f1f;
    --color-gray-dark: #666666;
    --color-blue: #5AA9D9;
    --color-blue-light: #87C3E8;
    
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Smooth transitions for dark mode */
body,
.nav,
.hero,
.tagline,
.products,
.services,
.cases,
.about,
.cta,
.footer,
.product-card,
.service-card,
.case-featured,
.future-item,
.modal-content {
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

/* ======================
   Navigation
   ====================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(247, 243, 250, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(31, 31, 31, 0.05);
    transition: var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(247, 243, 250, 0.95);
    box-shadow: 0 2px 20px rgba(31, 31, 31, 0.03);
}

/* Dark mode navbar */
body.dark-mode .nav {
    background: rgba(10, 10, 10, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 2px 20px rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-black);
    text-decoration: none;
    transition: var(--transition-fast);
}

.logo svg {
    color: var(--color-black);
    transition: var(--transition-fast);
}

.logo-studio {
    color: var(--color-blue);
}

.logo:hover svg {
    color: var(--color-blue);
}

/* Dark mode logo */
body.dark-mode .logo {
    color: #ffffff;
}

body.dark-mode .logo svg {
    color: #ffffff;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--color-black);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: var(--transition-fast);
    opacity: 0.7;
}

.nav-link:hover {
    opacity: 1;
    color: var(--color-blue);
}

/* Dark mode nav links */
body.dark-mode .nav-link {
    color: #ffffff;
}

body.dark-mode .nav-link:hover {
    color: var(--color-blue);
    opacity: 1;
}

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

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition-fast);
}

/* Dark mode toggle button */
body.dark-mode .nav-toggle span {
    background: #ffffff;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: 32px 24px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-smooth);
        border-bottom: 1px solid rgba(31, 31, 31, 0.05);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* ======================
   Hero Section
   ====================== */

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
}

.hero-title {
    font-size: clamp(48px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--color-black);
}

.hero-title-accent {
    color: var(--color-blue);
    display: block;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-black);
    opacity: 0.6;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-blue-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(90, 169, 217, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--color-black);
    border: 1px solid rgba(31, 31, 31, 0.15);
}

.btn-secondary:hover {
    background: var(--color-white);
    border-color: rgba(31, 31, 31, 0.25);
}

.btn-large {
    padding: 16px 36px;
    font-size: 15px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
}

.cloud-illustration {
    position: absolute;
    opacity: 0.6;
}

.tech-icons {
    display: flex;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.tech-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 12px;
    border: 1px solid rgba(31, 31, 31, 0.08);
    animation: float 6s ease-in-out infinite;
}

.tech-icon:nth-child(1) {
    animation-delay: 0s;
}

.tech-icon:nth-child(2) {
    animation-delay: 2s;
}

.tech-icon:nth-child(3) {
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-visual {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ======================
   Section Styles
   ====================== */

section {
    padding: var(--section-padding) 0;
}

@media (max-width: 768px) {
    section {
        padding: var(--section-padding-mobile) 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-blue);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-black);
    margin-bottom: 16px;
}

.section-description {
    font-size: 16px;
    color: var(--color-black);
    opacity: 0.6;
}

/* ======================
   Tagline Section
   ====================== */

.tagline {
    text-align: center;
    padding: 60px 0;
    background: var(--color-white);
}

.tagline-text {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-black);
}

.tagline-description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-black);
    opacity: 0.6;
    max-width: 600px;
    margin: 0 auto;
}

/* ======================
   Products Section
   ====================== */

.products {
    background: var(--color-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
}

.product-card {
    padding: 40px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid rgba(31, 31, 31, 0.06);
    transition: var(--transition-smooth);
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(31, 31, 31, 0.08);
}

.product-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-gray-light);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    color: var(--color-black);
    opacity: 0.7;
}

.product-card.featured .product-tag {
    background: rgba(90, 169, 217, 0.15);
    color: var(--color-blue);
    opacity: 1;
}

.product-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: 12px;
    margin-bottom: 24px;
    color: var(--color-blue);
}

.product-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.product-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-black);
    opacity: 0.6;
    margin-bottom: 24px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-features span {
    padding: 6px 12px;
    background: var(--color-bg);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-black);
    opacity: 0.7;
}

/* Product Notify Button */
.product-notify {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(31, 31, 31, 0.06);
}

.notify-button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    background: var(--color-blue);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
    justify-content: center;
}

.notify-button:hover {
    background: var(--color-blue-light);
    transform: translateY(-2px);
}

.notify-button svg {
    width: 16px;
    height: 16px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(31, 31, 31, 0.7);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--color-white);
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(31, 31, 31, 0.3);
    animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid rgba(31, 31, 31, 0.06);
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-black);
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--color-black);
    opacity: 0.3;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 24px;
}

.modal-body p {
    font-size: 14px;
    color: var(--color-black);
    opacity: 0.6;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .notify-form {
        flex-direction: column;
    }
    
    .notify-form button {
        width: 100%;
    }
}

/* Future Products */
.future-products {
    margin-top: 64px;
    padding-top: 64px;
    border-top: 1px solid rgba(31, 31, 31, 0.06);
}

.future-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-black);
    opacity: 0.4;
    text-align: center;
    margin-bottom: 8px;
}

.future-subtitle {
    font-size: 14px;
    color: var(--color-black);
    opacity: 0.5;
    text-align: center;
    margin-bottom: 32px;
}

.future-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.future-item {
    padding: 24px;
    background: rgba(31, 31, 31, 0.02);
    border-radius: 8px;
    border: 1px dashed rgba(31, 31, 31, 0.1);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.future-item:hover {
    background: var(--color-white);
    border-style: solid;
    border-color: rgba(31, 31, 31, 0.08);
}

.future-content {
    text-align: center;
}

.future-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 6px;
}

.future-desc {
    display: block;
    font-size: 12px;
    color: var(--color-black);
    opacity: 0.5;
    line-height: 1.4;
}

/* Vote Button */
.vote-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--color-white);
    border: 1px solid rgba(31, 31, 31, 0.15);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-black);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-primary);
}

.vote-button:hover {
    border-color: var(--color-blue);
    background: rgba(90, 169, 217, 0.05);
}

.vote-button.voted {
    background: rgba(90, 169, 217, 0.15);
    border-color: var(--color-blue);
    animation: voteSuccess 0.6s ease-out;
}

@keyframes voteSuccess {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.vote-button svg {
    width: 20px;
    height: 20px;
    color: var(--color-blue);
    transform: rotate(180deg);
}

.vote-count {
    min-width: 20px;
    font-weight: 600;
    color: var(--color-blue);
}

.vote-text {
    color: var(--color-black);
    opacity: 0.7;
}

/* Notification */
.notification {
    position: fixed;
    bottom: -100px;
    right: 24px;
    padding: 16px 24px;
    background: var(--color-white);
    border: 1px solid rgba(31, 31, 31, 0.1);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(31, 31, 31, 0.12);
    z-index: 9999;
    transition: all 0.3s ease-out;
}

.notification.show {
    bottom: 24px;
}

.notification-success {
    border-left: 3px solid var(--color-blue);
}

.notification-info {
    border-left: 3px solid var(--color-gray-dark);
}

@media (max-width: 1024px) {
    .future-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .future-grid {
        grid-template-columns: 1fr;
    }
    
    .notification {
        right: 16px;
        left: 16px;
    }
    
    .notification.show {
        bottom: 16px;
    }
}

/* ======================
   Services Section
   ====================== */

.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.services-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    padding: 32px;
    background: var(--color-bg);
    border-radius: 12px;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.service-card:hover {
    border-color: rgba(90, 169, 217, 0.3);
    background: var(--color-white);
    transform: translateY(-2px);
}

.service-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-blue);
    margin-bottom: 16px;
    opacity: 0.6;
}

.service-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.service-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-black);
    opacity: 0.6;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-grid,
    .services-grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ======================
   Cases Section
   ====================== */

.cases {
    background: var(--color-bg);
}

/* Featured Case */
.case-featured {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid rgba(31, 31, 31, 0.06);
}

.case-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.case-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.case-tag-featured {
    padding: 6px 12px;
    background: rgba(90, 169, 217, 0.15);
    color: var(--color-blue);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 6px;
}

.case-date {
    font-size: 13px;
    color: var(--color-black);
    opacity: 0.5;
}

.case-title-large {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-black);
    margin-bottom: 16px;
}

.case-description-large {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-black);
    opacity: 0.7;
    margin-bottom: 24px;
}

.case-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-black);
}

.feature-item svg {
    color: var(--color-blue);
    flex-shrink: 0;
}

.case-tech-stack {
    padding-top: 32px;
    border-top: 1px solid rgba(31, 31, 31, 0.06);
}

.case-tech-stack h4 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-black);
    opacity: 0.5;
    margin-bottom: 16px;
}

.case-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tech span {
    padding: 6px 14px;
    background: var(--color-bg);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-black);
    opacity: 0.7;
}

@media (max-width: 768px) {
    .case-featured {
        padding: 32px 24px;
    }
    
    .case-title-large {
        font-size: 24px;
    }
}

/* ======================
   About Section
   ====================== */

.about {
    background: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
}

.about-text {
    max-width: 640px;
}

.about-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-black);
    opacity: 0.7;
    margin-bottom: 24px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.stat-item {
    padding: 24px;
    background: var(--color-bg);
    border-radius: 12px;
    border: 1px solid rgba(31, 31, 31, 0.06);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-blue);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-black);
    opacity: 0.6;
}

/* Tech Stack */
.tech-stack {
    padding: 48px;
    background: var(--color-bg);
    border-radius: 16px;
    text-align: center;
}

.tech-stack-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-black);
    opacity: 0.5;
    margin-bottom: 24px;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.tech-list span {
    padding: 8px 16px;
    background: var(--color-white);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-black);
    border: 1px solid rgba(31, 31, 31, 0.06);
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ======================
   CTA Section
   ====================== */

.cta {
    background: var(--color-bg);
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-black);
}

.cta-subtitle {
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-black);
    opacity: 0.6;
    margin-bottom: 32px;
}

.cta-buttons {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.cta-contact a {
    color: var(--color-blue);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.cta-contact a:hover {
    opacity: 0.7;
}

/* ======================
   Footer
   ====================== */

.footer {
    background: var(--color-white);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(31, 31, 31, 0.06);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-black);
    text-decoration: none;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 13px;
    color: var(--color-black);
    opacity: 0.5;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-black);
    opacity: 0.5;
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-column a {
    color: var(--color-black);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--color-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(31, 31, 31, 0.06);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-black);
    opacity: 0.5;
}

.footer-links-inline {
    display: flex;
    gap: 20px;
}

.footer-links-inline a {
    font-size: 13px;
    color: var(--color-black);
    opacity: 0.5;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links-inline a:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ======================
   Animations
   ====================== */

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Selection */
::selection {
    background: var(--color-blue);
    color: var(--color-white);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-dark);
}

/* Fade animations for messages */
@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
}