/* ========================================
   Kevin Allmann Websolutions
   Modern Monochrome One-Pager – Premium Edition
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Monochrome */
    --color-black: #0a0a0a;
    --color-anthracite: #141414;
    --color-dark: #1a1a1a;
    --color-gray-dark: #2d2d2d;
    --color-gray: #6b6b6b;
    --color-gray-light: #9a9a9a;
    --color-silver: #d4d4d4;
    --color-light: #f5f5f5;
    --color-off-white: #fafafa;
    --color-white: #ffffff;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Shadows - Layered for depth */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 10px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.05), 0 20px 48px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.12), 0 12px 24px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 40px rgba(0, 0, 0, 0.08);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Header */
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

/* ========================================
   Utility Classes
   ======================================== */
.accent-line {
    position: relative;
    padding-left: 1.5rem;
}

.accent-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.25em;
    width: 3px;
    height: 1em;
    background: var(--color-dark);
    border-radius: 2px;
}

/* ========================================
   Background Patterns & Shapes
   ======================================== */
.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    pointer-events: none;
}

.bg-noise {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    transition: var(--transition-base);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-silver), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.header.scrolled::after {
    opacity: 1;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    position: relative;
}

.nav__logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition-base);
}

.nav__logo:hover .nav__logo-img {
    transform: scale(1.02);
}

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

.nav__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray);
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-base);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-dark);
    border-radius: 1px;
    transition: var(--transition-spring);
    transform: translateX(-50%);
}

.nav__link:hover {
    color: var(--color-dark);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    padding: 0.75rem 1.5rem;
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    position: relative;
}

.nav__link--cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-base);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav__link--cta:hover::before {
    opacity: 1;
}

/* Mobile Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 1px;
    transition: var(--transition-base);
    transform-origin: center;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--color-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
}

.btn--primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 120%, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-base);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 10px 40px rgba(0, 0, 0, 0.2);
}

.btn--primary:hover::after {
    opacity: 1;
}

.btn--primary:active {
    transform: translateY(-1px);
}

.btn--secondary {
    background: var(--color-white);
    color: var(--color-dark);
    border: 1px solid var(--color-silver);
    box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
    border-color: var(--color-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

/* Button Icon Arrow */
.btn__arrow {
    transition: var(--transition-spring);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: var(--color-off-white);
    z-index: -2;
}

.hero__bg::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 70%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.03) 0%, transparent 60%);
    animation: float 20s ease-in-out infinite;
}

.hero__bg::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.02) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -20px) rotate(1deg); }
    66% { transform: translate(-10px, 10px) rotate(-1deg); }
}

/* Hero Grid Pattern */
.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.015) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
    z-index: -1;
}

/* Floating geometric shapes */
.hero__shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: -1;
}

.hero__shape {
    position: absolute;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-lg);
    animation: shapeFloat 15s ease-in-out infinite;
}

.hero__shape--1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 5%;
    animation-delay: 0s;
}

.hero__shape--2 {
    width: 200px;
    height: 200px;
    bottom: 15%;
    left: 10%;
    animation-delay: -5s;
}

.hero__shape--3 {
    width: 150px;
    height: 150px;
    top: 40%;
    left: 5%;
    animation-delay: -10s;
}

@keyframes shapeFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 0.5; }
    25% { transform: translate(10px, -15px) rotate(2deg); opacity: 0.7; }
    50% { transform: translate(-5px, 10px) rotate(-1deg); opacity: 0.5; }
    75% { transform: translate(15px, 5px) rotate(1deg); opacity: 0.7; }
}

.hero__content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-2xl) 0;
}

.hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.8s ease-out both;
}

.hero__tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-dark);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
    font-size: clamp(2.75rem, 5.5vw, 4.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero__title-accent {
    display: inline;
    position: relative;
}

.hero__title-accent::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.12em;
    background: var(--color-dark);
    opacity: 0.15;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    animation: underline 0.8s ease-out 0.6s forwards;
}

@keyframes underline {
    to { transform: scaleX(1); }
}

.hero__subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

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

/* Code Block Visual */
.hero__visual {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__visual::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.04) 0%, transparent 70%);
    z-index: -1;
}

.hero__code {
    background: var(--color-anthracite);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        var(--shadow-xl),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 1px 0 rgba(255, 255, 255, 0.1) inset;
    transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
    transition: var(--transition-slow);
    position: relative;
}

.hero__code::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero__code:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-5px);
    box-shadow:
        var(--shadow-xl),
        0 30px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.hero__code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.hero__code-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: var(--transition-base);
}

.hero__code-header span:first-child { background: #ff5f57; }
.hero__code-header span:nth-child(2) { background: #febc2e; }
.hero__code-header span:nth-child(3) { background: #28c840; }

.hero__code:hover .hero__code-header span {
    transform: scale(1.1);
}

.hero__code pre {
    padding: 1.75rem;
    margin: 0;
    overflow-x: auto;
}

.hero__code code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.9;
    color: var(--color-silver);
}

.code-comment { color: #6a737d; font-style: italic; }
.code-keyword { color: #c792ea; }
.code-class { color: #82aaff; }
.code-function { color: #c3e88d; }
.code-type { color: #ffcb6b; }

/* Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero__scroll span {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray-light);
}

.hero__scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-gray-light), transparent);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--color-dark);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { transform: translateY(-100%); }
    50% { transform: translateY(300%); }
    100% { transform: translateY(300%); }
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

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

.section--alt {
    background: var(--color-off-white);
}

.section--dark {
    background: var(--color-anthracite);
    color: var(--color-white);
}

.section--dark .section__tag {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--color-gray-light);
}

.section--dark .section__subtitle {
    color: var(--color-gray-light);
}

.section--contact {
    background: var(--color-off-white);
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.section__tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
    position: relative;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
}

/* Animated Section Divider */
.section__divider {
    width: 60px;
    height: 3px;
    background: var(--color-dark);
    border-radius: 2px;
    margin: 0 auto var(--space-lg);
    position: relative;
    overflow: hidden;
}

.section__divider::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ========================================
   Services
   ======================================== */
.services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.services--six {
    grid-template-columns: repeat(3, 1fr);
}

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

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

.service {
    padding: var(--space-xl);
    background: var(--color-off-white);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-base);
}

.service::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-dark);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-spring);
}

.service:hover {
    transform: translateY(-8px);
    background: var(--color-white);
    border-color: var(--color-silver);
    box-shadow: var(--shadow-lg);
}

.service:hover::before {
    opacity: 1;
}

.service:hover::after {
    transform: scaleX(1);
}

.service__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service__icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-dark);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.service__icon svg {
    width: 26px;
    height: 26px;
    color: var(--color-dark);
    transition: var(--transition-base);
    position: relative;
    z-index: 1;
}

.service:hover .service__icon {
    border-color: var(--color-dark);
}

.service:hover .service__icon::before {
    transform: translateY(0);
}

.service:hover .service__icon svg {
    color: var(--color-white);
}

.service__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.service__text {
    color: var(--color-gray);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.service__list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service__list li {
    padding: 0.375rem 0.875rem;
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray);
    transition: var(--transition-fast);
}

.service:hover .service__list li {
    background: var(--color-off-white);
}

/* ========================================
   Reasons (Warum ich)
   ======================================== */
.reasons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.reason {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.reason::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-base);
}

.reason:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.reason:hover::before {
    opacity: 1;
}

.reason__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-light);
    margin-bottom: var(--space-md);
    transition: var(--transition-base);
}

.reason:hover .reason__number {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.reason__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.reason__text {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* Quote */
.quote {
    text-align: center;
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 40px;
    font-size: 12rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.03);
    font-family: Georgia, serif;
    line-height: 1;
    pointer-events: none;
}

.quote__text {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 500;
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

/* ========================================
   Experience
   ======================================== */
.experience {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.experience__card {
    padding: var(--space-xl);
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.experience__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-dark);
}

.experience__card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.experience__card-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.experience__card-text {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
}

.experience__card-text:last-child {
    margin-bottom: 0;
}

.experience__highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.highlight {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.highlight:hover {
    background: var(--color-white);
    border-color: var(--color-dark);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.highlight__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.highlight:hover .highlight__icon {
    background: var(--color-dark);
    border-color: var(--color-dark);
}

.highlight__icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-dark);
    transition: var(--transition-base);
}

.highlight:hover .highlight__icon svg {
    color: var(--color-white);
}

.highlight__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.highlight__text {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Tech Stack */
.tech-stack {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-lg);
}

.tech-stack__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
}

.tech-stack__items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.tech-stack__item {
    padding: 0.625rem 1.25rem;
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-dark);
    transition: var(--transition-base);
    cursor: default;
}

.tech-stack__item:hover {
    background: var(--color-dark);
    color: var(--color-white);
    border-color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Contact
   ======================================== */
.contact {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact__content .section__tag,
.contact__content .section__title {
    text-align: left;
}

.contact__text {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.contact__methods {
    margin-bottom: var(--space-xl);
}

.contact__method {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.contact__method::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-dark);
    transform: translateX(-100%);
    transition: var(--transition-base);
}

.contact__method:hover {
    border-color: var(--color-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact__method:hover::before {
    transform: translateX(0);
}

.contact__method-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-off-white);
    border-radius: var(--radius-sm);
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.contact__method:hover .contact__method-icon {
    background: var(--color-white);
}

.contact__method-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-dark);
}

.contact__method-content {
    position: relative;
    z-index: 1;
}

.contact__method-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    transition: var(--transition-base);
}

.contact__method:hover .contact__method-label {
    color: var(--color-gray-light);
}

.contact__method-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    transition: var(--transition-base);
}

.contact__method:hover .contact__method-value {
    color: var(--color-white);
}

/* Contact Card */
.contact__card {
    padding: var(--space-xl);
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.contact__card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.03) 0%, transparent 70%);
}

.contact__card-title {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.contact__card-subtitle {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-silver);
}

.contact__card-details {
    margin-bottom: var(--space-md);
}

.contact__card-details p {
    font-size: 0.9375rem;
    color: var(--color-gray);
    margin-bottom: 0.375rem;
}

.contact__card-location {
    font-size: 0.8125rem !important;
    color: var(--color-gray-light) !important;
    margin-top: 0.75rem !important;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-silver);
    letter-spacing: 0.02em;
}

.contact__card-availability {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 1rem;
    background: rgba(34, 197, 94, 0.08);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #16a34a;
}

.contact__availability-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: availabilityPulse 2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
}

@keyframes availabilityPulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }
}

/* Contact Card Image */
.contact__card-image {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-silver);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.contact__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: var(--transition-base);
}

.contact__card:hover .contact__card-image {
    border-color: var(--color-dark);
    transform: scale(1.05);
}

.contact__card:hover .contact__card-image img {
    transform: scale(1.1);
}

.contact__card-title {
    text-align: center;
}

.contact__card-subtitle {
    text-align: center;
}

/* ========================================
   Hero Profile Image
   ======================================== */
.hero__profile {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--color-silver);
    transition: var(--transition-base);
}

.hero__profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: var(--transition-base);
}

.hero__profile-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(0, 0, 0, 0.15);
}

.hero__profile-image:hover img {
    transform: scale(1.1);
}

.hero__profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray);
    box-shadow: var(--shadow-sm);
}

.hero__profile-status {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: availabilityPulse 2s ease-in-out infinite;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-anthracite);
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: var(--space-lg);
}

.footer__logo-img {
    height: 50px;
    width: auto;
    filter: invert(1) brightness(2);
    opacity: 0.85;
    transition: var(--transition-base);
}

.footer__logo-img:hover {
    opacity: 1;
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
}

.footer__link {
    font-size: 0.875rem;
    color: var(--color-gray-light);
    position: relative;
    padding-bottom: 2px;
}

.footer__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-white);
    transition: var(--transition-base);
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__link:hover::after {
    width: 100%;
}

.footer__bottom {
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: var(--color-gray-light);
}

/* ========================================
   Animations & Reveal
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger animation for children */
.services .service.reveal:nth-child(1) { transition-delay: 0s; }
.services .service.reveal:nth-child(2) { transition-delay: 0.1s; }
.services .service.reveal:nth-child(3) { transition-delay: 0.2s; }
.services .service.reveal:nth-child(4) { transition-delay: 0.3s; }
.services .service.reveal:nth-child(5) { transition-delay: 0.4s; }
.services .service.reveal:nth-child(6) { transition-delay: 0.5s; }

.reasons .reason.reveal:nth-child(1) { transition-delay: 0s; }
.reasons .reason.reveal:nth-child(2) { transition-delay: 0.1s; }
.reasons .reason.reveal:nth-child(3) { transition-delay: 0.2s; }
.reasons .reason.reveal:nth-child(4) { transition-delay: 0.3s; }

.experience__highlights .highlight.reveal:nth-child(1) { transition-delay: 0s; }
.experience__highlights .highlight.reveal:nth-child(2) { transition-delay: 0.1s; }
.experience__highlights .highlight.reveal:nth-child(3) { transition-delay: 0.2s; }

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --space-3xl: 6rem;
    }

    .hero__content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .hero__code {
        transform: none;
    }

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

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

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

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

    .contact__content .section__tag,
    .contact__content .section__title {
        text-align: center;
    }

    .contact__text {
        text-align: center;
    }

    .contact__methods {
        text-align: center;
    }

    .contact__cta {
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --space-2xl: 4rem;
        --space-3xl: 5rem;
        --container-padding: 1.25rem;
    }

    /* Mobile Navigation */
    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-lg);
        transition: var(--transition-base);
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__link {
        font-size: 1.5rem;
    }

    .nav__link::after {
        bottom: -4px;
        height: 3px;
    }

    .nav__link--cta {
        padding: 1rem 2rem;
        font-size: 1.25rem;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
    }

    .hero__shapes {
        display: none;
    }

    .hero__visual {
        display: none;
    }

    .hero__title {
        font-size: 2.25rem;
    }

    .hero__subtitle {
        font-size: 1.0625rem;
    }

    .hero__actions {
        flex-direction: column;
        padding: 0 var(--space-sm);
    }

    .hero__actions .btn {
        width: 100%;
    }

    .hero__scroll {
        display: none;
    }

    /* Sections */
    .section__title {
        font-size: 1.75rem;
    }

    .service {
        padding: var(--space-lg);
    }

    .reason {
        padding: var(--space-lg);
    }

    .quote {
        padding: var(--space-lg);
    }

    .quote__text {
        font-size: 1.125rem;
    }

    .quote::before {
        font-size: 8rem;
        top: -10px;
        left: 20px;
    }

    /* Contact */
    .contact__method {
        width: 100%;
        justify-content: flex-start;
    }

    .contact__card {
        padding: var(--space-lg);
    }

    /* Footer */
    .footer__content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }

    .footer__links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .hero__tag {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }

    .hero__title {
        font-size: 1.875rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }

    .service__icon {
        width: 48px;
        height: 48px;
    }

    .tech-stack__items {
        gap: 0.5rem;
    }

    .tech-stack__item {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero__scroll,
    .hero__visual,
    .hero__shapes {
        display: none;
    }

    .section {
        padding: 2rem 0;
    }

    .section--dark {
        background: white;
        color: black;
    }
}