/* ========================================
   СК Проект — Apple Design System
   ======================================== */

:root {
    /* Apple palette */
    --color-bg: #000000;
    --color-surface: #1d1d1f;
    --color-surface-2: #2d2d2f;
    --color-text: #f5f5f7;
    --color-text-secondary: #86868b;
    --color-text-tertiary: #6e6e73;
    --color-accent: #2997ff;
    --color-accent-hover: #0077ed;
    --color-accent-gradient: linear-gradient(135deg, #2997ff 0%, #5ac8fa 100%);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-divider: rgba(255, 255, 255, 0.12);

    /* Typography */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Fluid spacing — scales from mobile to desktop */
    --space-xs: clamp(0.25rem, 0.5vw, 0.5rem);
    --space-sm: clamp(0.5rem, 1vw, 1rem);
    --space-md: clamp(1rem, 1.5vw, 1.5rem);
    --space-lg: clamp(1.5rem, 2.5vw, 2.5rem);
    --space-xl: clamp(2.5rem, 4vw, 4rem);
    --space-2xl: clamp(4rem, 6vw, 6rem);
    --space-3xl: clamp(5rem, 8vw, 8rem);
    --space-4xl: clamp(6rem, 10vw, 10rem);

    /* Border radius — Apple scale */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --radius-pill: 980px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition: 0.3s var(--ease);
    --transition-slow: 0.6s var(--ease);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 52px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: clamp(0.9375rem, 1vw + 0.5rem, 1.0625rem);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background: rgba(41, 151, 255, 0.3);
    color: var(--color-text);
}

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

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

/* Focus states — accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Container */
.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition);
}

.nav-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.logo-icon {
    font-size: 1.25rem;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 400;
    transition: color var(--transition);
    letter-spacing: 0.01em;
    padding: 4px 0;
}

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

.nav-link--cta {
    background: var(--color-accent);
    color: #fff !important;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-pill);
    font-weight: 500;
    transition: background var(--transition);
}

.nav-link--cta:hover {
    background: var(--color-accent-hover);
}

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

.nav-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--color-text);
    transition: var(--transition);
    border-radius: 1px;
}

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-4xl) var(--space-lg) var(--space-3xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(41, 151, 255, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(90, 200, 250, 0.06) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(41, 151, 255, 0.08);
    border: 1px solid rgba(41, 151, 255, 0.15);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 6.5vw, 5rem);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}

.hero-title-line {
    display: block;
}

.hero-title-line--accent {
    font-weight: 400;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.1875rem);
    color: var(--color-text-secondary);
    max-width: 540px;
    margin: 0 auto var(--space-xl);
    line-height: 1.5;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: clamp(3rem, 5vw, 5rem);
}

/* Stats — Apple-style with dividers */
.hero-stats {
    display: flex;
    gap: 0;
    justify-content: center;
    align-items: stretch;
}

.stat {
    text-align: center;
    padding: 0 clamp(1.5rem, 3vw, 3rem);
    position: relative;
}

.stat:not(:first-child)::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 32px;
    background: var(--color-divider);
}

.stat-number {
    display: inline;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* "+" suffix on first stat via CSS */
.stat:first-child .stat-number::after {
    content: '+';
    font-weight: 400;
    color: var(--color-accent);
    font-size: 0.7em;
    margin-left: 1px;
}

.stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
    font-weight: 400;
}

/* Scroll indicator */
.hero-scroll {
    flex-shrink: 0;
    margin-top: var(--space-xl);
    text-align: center;
}

.hero-scroll span {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-text-tertiary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 18px;
    height: 18px;
    margin: 0 auto;
    border-right: 1.5px solid var(--color-text-tertiary);
    border-bottom: 1.5px solid var(--color-text-tertiary);
    transform: rotate(45deg);
    animation: scrollBounce 2.5s infinite;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    letter-spacing: 0.01em;
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 24px rgba(41, 151, 255, 0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-border-hover);
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 620px;
    margin: 0 auto var(--space-2xl);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
    color: var(--color-text-secondary);
    line-height: 1.55;
}

/* ========================================
   Services
   ======================================== */
.services {
    background: linear-gradient(180deg, var(--color-bg) 0%, #050505 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-slow);
    opacity: 0;
    transform: translateY(24px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
}

.service-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.service-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin-bottom: var(--space-md);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.service-features span {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(41, 151, 255, 0.06);
    border-radius: var(--radius-pill);
    font-size: 0.6875rem;
    color: var(--color-accent);
    font-weight: 500;
}

/* ========================================
   About
   ======================================== */
.about {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-content {
    opacity: 0;
    transform: translateX(-24px);
    transition: all 0.8s var(--ease);
}

.about-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-text {
    font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-md);
}

.about-features {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-feature {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.about-feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(41, 151, 255, 0.1);
    border-radius: 50%;
    color: var(--color-accent);
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 3px;
}

.about-feature strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.about-feature p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.about-visual {
    display: grid;
    gap: var(--space-md);
    opacity: 0;
    transform: translateX(24px);
    transition: all 0.8s var(--ease) 0.15s;
}

.about-visual.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition);
}

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

.about-card--accent {
    background: linear-gradient(135deg, rgba(41, 151, 255, 0.12) 0%, rgba(90, 200, 250, 0.04) 100%);
    border-color: rgba(41, 151, 255, 0.15);
}

.about-card-number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 600;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.about-card-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* ========================================
   Projects
   ======================================== */
.projects {
    background: linear-gradient(180deg, #050505 0%, var(--color-bg) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: var(--space-md);
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 260px;
    display: flex;
    align-items: flex-end;
    transition: all var(--transition-slow);
    cursor: pointer;
    opacity: 0;
    transform: translateY(24px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.project-card--large {
    grid-column: span 2;
    min-height: 320px;
}

.project-card-bg {
    position: absolute;
    inset: 0;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-card-bg {
    transform: scale(1.04);
}

.project-card-content {
    position: relative;
    z-index: 1;
    padding: var(--space-lg);
    width: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.75) 100%);
}

.project-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-pill);
    font-size: 0.6875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.project-title {
    font-family: var(--font-display);
    font-size: clamp(1.125rem, 1.5vw, 1.375rem);
    font-weight: 600;
    margin-bottom: 0.375rem;
    letter-spacing: -0.01em;
}

.project-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.project-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

/* ========================================
   Process
   ======================================== */
.process {
    background: var(--color-bg);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(12.5% + 14px);
    right: calc(12.5% + 14px);
    height: 1px;
    background: var(--color-divider);
}

.process-step {
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    transition: all 0.6s var(--ease);
}

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

.process-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
    transition: all var(--transition);
    letter-spacing: -0.02em;
}

.process-step:hover .process-step-number {
    background: rgba(41, 151, 255, 0.08);
    border-color: rgba(41, 151, 255, 0.25);
    transform: scale(1.08);
}

.process-step-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    letter-spacing: -0.01em;
}

.process-step-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

/* ========================================
   Contact
   ======================================== */
.contact {
    background: linear-gradient(180deg, var(--color-bg) 0%, #050505 100%);
}

.contact-centered {
    text-align: center;
    max-width: 540px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(24px);
    transition: all 0.8s var(--ease);
}

.contact-centered.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-text {
    font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin-bottom: var(--space-xl);
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-phone-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition);
    cursor: pointer;
    min-height: 44px;
}

.contact-phone-card:hover {
    border-color: rgba(41, 151, 255, 0.25);
    background: rgba(41, 151, 255, 0.04);
    transform: translateY(-1px);
}

.contact-phone-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-phone-number {
    font-family: var(--font-body);
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    font-weight: 600;
    letter-spacing: 0.01em;
}

.contact-phone-hint {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-left: auto;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    max-width: 260px;
}

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

.footer-col h4 {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-sm);
}

.footer-col a {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--color-text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

.footer-legal a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-legal a:hover {
    color: var(--color-text-secondary);
}

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

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: rotate(45deg) translateY(0);
    }
    40% {
        transform: rotate(45deg) translateY(5px);
    }
    60% {
        transform: rotate(45deg) translateY(2.5px);
    }
}

/* Hero entrance animations — only when motion is OK */
@media (prefers-reduced-motion: no-preference) {
    .hero-badge {
        opacity: 0;
        transform: translateY(16px);
        animation: fadeInUp 0.7s 0.15s var(--ease) forwards;
    }

    .hero-title-line {
        opacity: 0;
        transform: translateY(24px);
        animation: fadeInUp 0.7s 0.3s var(--ease) forwards;
    }

    .hero-title-line--accent {
        animation-delay: 0.4s;
    }

    .hero-subtitle {
        opacity: 0;
        transform: translateY(16px);
        animation: fadeInUp 0.7s 0.5s var(--ease) forwards;
    }

    .hero-actions {
        opacity: 0;
        transform: translateY(16px);
        animation: fadeInUp 0.7s 0.6s var(--ease) forwards;
    }

    .hero-stats {
        opacity: 0;
        transform: translateY(16px);
        animation: fadeInUp 0.7s 0.7s var(--ease) forwards;
    }

    .hero-scroll {
        opacity: 0;
        animation: fadeInUp 0.7s 0.9s var(--ease) forwards;
    }
}

/* Reduced motion — show everything immediately */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero-badge,
    .hero-title-line,
    .hero-subtitle,
    .hero-actions,
    .hero-stats,
    .hero-scroll,
    .service-card,
    .project-card,
    .process-step,
    .about-content,
    .about-visual,
    .contact-centered {
        opacity: 1;
        transform: none;
    }
}

/* ========================================
   Responsive — Mobile (≤ 767px)
   ======================================== */
@media (max-width: 767px) {
    /* Nav */
    .nav-inner {
        height: 44px;
        padding: 0 var(--space-md);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 44px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-lg);
        padding: var(--space-xl);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-link {
        font-size: 1.125rem;
        padding: 10px 0;
    }

    .nav-link--cta {
        margin-top: var(--space-sm);
        padding: 0.625rem 2rem;
        font-size: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(4px, -4px);
    }

    /* Hero */
    .hero {
        padding: clamp(5rem, 15vw, 7rem) var(--space-md) var(--space-xl);
        min-height: 100svh;
    }

    .hero-title {
        font-size: clamp(2.25rem, 9vw, 3rem);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Stats — stack on very small screens, side-by-side on 375px+ */
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat {
        padding: 0 clamp(1rem, 4vw, 2rem);
    }

    .stat:not(:first-child)::before {
        display: block;
    }

    .stat-number {
        font-size: clamp(1.75rem, 7vw, 2.25rem);
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

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

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card--large {
        grid-column: span 1;
    }

    .project-card {
        min-height: 220px;
    }

    /* Process */
    .process-timeline {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md) var(--space-sm);
    }

    .process-timeline::before {
        display: none;
    }

    .process-step {
        text-align: left;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .process-step-number {
        width: 44px;
        height: 44px;
        font-size: 0.9375rem;
        margin-bottom: var(--space-sm);
    }

    /* Contact */
    .contact-phone-card {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        padding: var(--space-md);
    }

    .contact-phone-hint {
        margin-left: 0;
    }

    /* Footer */
    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }

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

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

/* ========================================
   Responsive — Small phones (≤ 374px)
   ======================================== */
@media (max-width: 374px) {
    .container {
        padding: 0 var(--space-sm);
    }

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

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

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat:not(:first-child)::before {
        display: none;
    }

    .stat {
        padding: 0;
    }

    .process-timeline {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Responsive — Tablet (768px — 1023px)
   ======================================== */
@media (min-width: 768px) and (max-width: 1023px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

    .process-timeline::before {
        display: none;
    }
}