/* ==========================================================================
   skydolphin Brand Design System & Stylesheet
   Theme: Clean Editorial Light Mode
   Primary Logo Accent: #78aed7 (#78ADD7)
   ========================================================================== */

/* Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* Custom Local Font Face */
@font-face {
    font-family: 'skydolphin-custom';
    src: url('./static/fonts/skydolphin.eot');
    src: url('./static/fonts/skydolphin.eot?#iefix') format('embedded-opentype'),
         url('./static/fonts/skydolphin.woff') format('woff'),
         url('./static/fonts/skydolphin.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* Custom Variables */
:root {
    --primary: #78aed7;
    --primary-rgb: 120, 174, 215;
    --primary-hsl: 206, 55%, 66%;
    
    --bg-base: #f9fbfd;
    --bg-surface: #ffffff;
    --bg-surface-trans: rgba(255, 255, 255, 0.85);
    
    --text-primary: #111827; /* Dark slate */
    --text-secondary: #374151; /* Charcoal */
    --text-muted: #6b7280; /* Neutral grey */
    
    --accent: #0f172a;
    --accent-light: #f1f5f9;
    
    --border: rgba(120, 174, 215, 0.18);
    --border-strong: rgba(120, 174, 215, 0.45);
    
    --font-heading: 'Playfair Display', 'skydolphin-custom', 'Helvetica Neue', serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-quick: all 0.25s ease;
    
    --shadow-sm: 0 4px 6px -1px rgba(120, 174, 215, 0.05);
    --shadow-md: 0 12px 30px -4px rgba(120, 174, 215, 0.1);
    --shadow-lg: 0 24px 50px -10px rgba(120, 174, 215, 0.16);
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    transition: opacity 0.5s ease;
}

body.loading {
    overflow: hidden;
}

/* Loading Screen (Matching old website background #f0f5f8) */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #f0f5f8;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 100000;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

.loading-screen.fade-out,
.loading-screen.loaded {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.loading {
    line-height: 0;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    width: 70px;
    height: 70px;
}

.loading .logo {
    width: 50px;
    height: 70px;
    object-fit: contain;
    object-position: center;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUpLogo 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.loading .quan {
    position: absolute;
    left: 50%;
    top: -2px;
    margin-left: -45px;
    width: 70px;
    height: 70px;
    opacity: 0;
    animation: fadeInCircle 0.8s ease-out 0.4s forwards;
}

@keyframes fadeInUpLogo {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInCircle {
    to {
        opacity: 1;
    }
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-quick);
}

/* Layout Container */
.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation (Transparent by default, glassmorphic on scroll) */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 2rem 0;
    opacity: 0;
    transform: translateY(-20px);
}

body.ready .header {
    opacity: 1;
    transform: translateY(0);
}

.header.scrolled {
    padding: 1rem 0;
    background-color: var(--bg-surface-trans);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
    height: 52px;
    width: 240px;
    transition: var(--transition-smooth);
}

.header.scrolled .logo {
    height: 42px;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo .logo-dark {
    opacity: 0;
}

.logo .logo-light {
    opacity: 1;
}

.header.scrolled .logo .logo-dark {
    opacity: 1;
}

.header.scrolled .logo .logo-light {
    opacity: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: 0.03em;
    transition: var(--transition-quick);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ffffff;
    transition: var(--transition-quick);
}

.nav-link:hover {
    color: #ffffff;
}

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

/* Scrolled Nav Link Colors */
.header.scrolled .nav-link {
    color: var(--text-secondary);
    text-shadow: none;
}

.header.scrolled .nav-link::after {
    background-color: var(--primary);
}

.header.scrolled .nav-link:hover {
    color: var(--text-primary);
}

.header.scrolled .nav-link.active {
    color: var(--primary);
}

.header.scrolled .nav-link.active::after {
    width: 100%;
    background-color: var(--primary);
}

/* Contact Button inside Navbar */
.contact-btn {
    background-color: #ffffff;
    color: var(--text-primary) !important;
    text-shadow: none !important;
    padding: 0.65rem 1.6rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition-quick);
    border: 1px solid transparent;
}

.contact-btn:hover {
    background-color: transparent !important;
    color: #ffffff !important;
    border-color: #ffffff;
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.contact-btn::after {
    display: none !important;
}

/* Scrolled Contact Button */
.header.scrolled .contact-btn {
    background-color: var(--text-primary);
    color: var(--bg-surface) !important;
}

.header.scrolled .contact-btn:hover {
    background-color: transparent !important;
    color: var(--text-primary) !important;
    border-color: var(--text-primary);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100;
}

.hamburger-line {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: #ffffff;
    transition: var(--transition-quick);
}

.header.scrolled .hamburger-line {
    background-color: var(--text-primary);
}

/* Hero Section (Matching old website centering and design) */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: #f0f5f8;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('./static/images/overlay.png');
    background-repeat: repeat;
    background-color: rgba(15, 23, 42, 0.45); /* Vignette and darken effect */
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 90%;
    max-width: 680px;
    text-align: center;
}

.hero-slogan-img {
    width: 90%;
    max-width: 520px;
    height: auto;
    display: block;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

body.ready .hero-slogan-img {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll indicator (Matching mouse icon and scrolling dot style) */
.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: var(--transition-quick);
}

.hero-scroll:hover {
    color: #ffffff;
}

.mouse-icon {
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    position: relative;
    display: block;
}

.mouse-dot {
    width: 4px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: mouseScroll 1.6s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes mouseScroll {
    0% {
        top: 6px;
        opacity: 0;
    }
    30% {
        opacity: 1;
    }
    100% {
        top: 22px;
        opacity: 0;
    }
}

/* Section General Styling */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3.5rem;
}

/* Philosophy Section */
.philosophy {
    background-color: var(--bg-surface);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.philosophy-content h3 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    line-height: 1.4;
    font-weight: 500;
}

.philosophy-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 2rem;
}

.philosophy-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.stat-item {
    border-left: 2px solid var(--border);
    padding-left: 1.5rem;
    transition: var(--transition-smooth);
}

.stat-item:hover {
    border-left-color: var(--primary);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 600;
}

.philosophy-visual {
    position: relative;
}

.philosophy-img-wrapper {
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.philosophy-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.philosophy-img-wrapper:hover img {
    transform: scale(1.05);
}

.philosophy-floating-card {
    position: absolute;
    bottom: -2rem;
    left: -2rem;
    background: var(--bg-surface-trans);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    max-width: 280px;
}

.floating-card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.floating-card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Services / Capabilities Section */
.services {
    background-color: var(--bg-base);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background-color: var(--bg-surface);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: 380px;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    transform: scaleX(1);
}

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

.service-num {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--primary);
    opacity: 0.7;
    margin-bottom: 1.5rem;
    display: block;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2rem;
}

.service-tag {
    font-size: 0.75rem;
    background-color: var(--accent-light);
    color: var(--text-secondary);
    padding: 0.35rem 0.8rem;
    border-radius: 50px;
    font-weight: 500;
}

/* Works/Showcase Section (Using real brand layouts and hover crossfades) */
.works {
    background-color: var(--bg-surface);
}

.works-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
}

.works-header .section-title {
    margin-bottom: 0;
}

.works-filter {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.filter-btn {
    background: none;
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition-quick);
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-quick);
}

.filter-btn.active {
    color: var(--text-primary);
}

.filter-btn.active::after, .filter-btn:hover::after {
    width: 100%;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.work-card {
    display: block;
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    background-color: #f1f5f9;
}

.work-img-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.work-img-default, .work-img-hover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: var(--transition-smooth);
}

.work-img-hover {
    opacity: 0;
}

/* Black translucent overlay that reveals on hover */
.work-card-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.25);
    z-index: 2;
    transition: var(--transition-smooth);
}

/* Brand Logo (Centered inside the card) */
.work-brand-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    z-index: 3;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 65%;
}

.work-brand-logo img {
    max-height: 200px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.18));
    transition: var(--transition-smooth);
}

/* Case Info Overlay (Reveals from bottom on hover) */
.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem 3rem;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.5) 70%, transparent 100%);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transform: translateY(15px);
    transition: var(--transition-smooth);
    pointer-events: none;
    z-index: 4;
}

.work-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.work-card-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.work-card-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
    max-width: 480px;
}

/* Hover States */
.work-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.work-card:hover .work-img-default {
    transform: scale(1.04);
}

.work-card:hover .work-img-hover {
    opacity: 1;
    transform: scale(1.04);
}

.work-card:hover .work-card-mask {
    background-color: rgba(15, 23, 42, 0.6);
}

.work-card:hover .work-brand-logo {
    transform: translate(-50%, -90%) scale(0.85);
    opacity: 0.9;
}

.work-card:hover .work-overlay {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Contact Section */
.contact {
    background-color: var(--bg-base);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
}

.contact-info h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-sm);
    color: var(--primary);
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.contact-text p, .contact-text a {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-form-wrapper {
    background-color: var(--bg-surface);
    padding: 4rem 3.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.form-group-full {
    grid-column: span 2;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1rem 0;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-quick);
}

.form-input:focus {
    outline: none;
    border-bottom-color: var(--primary);
}

.form-label {
    position: absolute;
    left: 0;
    top: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-quick);
}

/* Floating labels */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -0.8rem;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-smooth);
}

.form-input:focus ~ .form-line {
    width: 100%;
}

textarea.form-input {
    min-height: 120px;
    resize: none;
}

.form-submit-btn {
    grid-column: span 2;
    background-color: var(--text-primary);
    color: var(--bg-surface);
    border: 1px solid var(--text-primary);
    padding: 1.1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.1);
    transition: var(--transition-smooth);
    margin-top: 1rem;
}

.form-submit-btn:hover {
    background-color: transparent;
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.15);
}

.form-message {
    grid-column: span 2;
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    display: none;
    text-align: center;
    margin-top: 1rem;
}

.form-message.success {
    display: block;
    background-color: rgba(120, 174, 215, 0.1);
    color: #4b88b4;
    border: 1px solid rgba(120, 174, 215, 0.3);
}

/* Footer Section */
.footer {
    background-color: var(--accent);
    color: rgba(255, 255, 255, 0.7);
    padding: 6rem 0 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 1.8rem;
    font-weight: 500;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer-brand .logo-text {
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.8;
    max-width: 320px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    transition: var(--transition-quick);
}

.social-icon:hover {
    background-color: var(--primary);
    color: var(--accent);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
}

.footer-copyright {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Animations using Scroll Observer */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .philosophy-visual {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .philosophy-floating-card {
        bottom: -1.5rem;
        left: -1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1.2rem 0;
    }
    
    .logo {
        width: 160px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-surface);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 3rem;
        gap: 2rem;
        z-index: 1050;
        transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--text-secondary) !important;
        text-shadow: none !important;
    }
    
    .nav-link::after {
        background-color: var(--primary) !important;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .mobile-nav-toggle.active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .mobile-nav-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .works-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .works-filter {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .works-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .contact-form-wrapper {
        padding: 3rem 2rem;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-submit-btn {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .btn-primary {
        text-align: center;
    }
    
    .btn-secondary {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}