/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Colors */
    --color-bg: #000;
    --color-bg-card: #0A0A0A;
    --color-bg-elevated: #111;
    --color-bg-input: rgba(255,255,255,0.05);
    --color-text: #fff;
    --color-text-muted: #888;
    --color-text-secondary: #B8B8B8;
    --color-accent: #712CFF;
    --color-accent-light: #B94FFF;
    --color-accent-blue: #2C6FFF;
    --color-accent-hover: #8B5CF6;
    --color-border: rgba(255,255,255,0.08);
    --color-border-accent: rgba(113,44,255,0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #712CFF, #B94FFF);
    --gradient-blue: linear-gradient(135deg, #712CFF, #2C6FFF);
    --gradient-glow: radial-gradient(circle at 50% 50%, rgba(113,44,255,0.15) 0%, transparent 70%);

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: clamp(80px, 12vw, 160px);

    /* Animation */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --duration-fast: 0.3s;
    --duration-medium: 0.6s;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 100px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

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

a:hover {
    color: var(--color-accent-light);
}

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

ul {
    list-style: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(36px, 6vw, 80px);
}

h2 {
    font-size: clamp(28px, 4vw, 56px);
}

h3 {
    font-size: clamp(20px, 2.5vw, 32px);
}

h4 {
    font-size: clamp(18px, 2vw, 24px);
}

p {
    color: var(--color-text-secondary);
    max-width: 680px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 16px;
}

/* ===== CONTAINER (extends Bootstrap grid) ===== */
.container {
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 24px rgba(113,44,255,0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(113,44,255,0.5);
    color: #fff;
}

.btn--outline {
    background: transparent;
    color: #fff;
    border: 1px solid var(--color-border);
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background: rgba(113,44,255,0.05);
}

.btn--full {
    width: 100%;
}

.btn--sm {
    padding: 10px 24px;
    font-size: 14px;
}

.btn__loading {
    display: none;
}

.btn.loading .btn__text {
    display: none;
}

.btn.loading .btn__loading {
    display: inline;
}

/* ===== TAGS ===== */
.tag {
    display: inline-block;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) ease;
}

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

/* ===== BADGE ===== */
.badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-light);
    background: rgba(113,44,255,0.15);
    border: 1px solid rgba(113,44,255,0.3);
    border-radius: var(--radius-full);
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--duration-fast) ease;
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(0,0,0,0.85);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

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

.navbar__logo img {
    height: 28px;
    width: auto;
}

.navbar__menu {
    display: none;
}

.navbar__links {
    display: flex;
    gap: 32px;
}

.navbar__link {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    transition: color var(--duration-fast) ease;
    position: relative;
}

.navbar__link:hover,
.navbar__link.active {
    color: #fff;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--duration-fast) ease;
}

.navbar__link:hover::after,
.navbar__link.active::after {
    width: 100%;
}

.navbar__cta {
    display: none;
    padding: 10px 24px;
    font-size: 14px;
}

.navbar__burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.navbar__burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    transition: all var(--duration-fast) ease;
    transform-origin: center;
}

.navbar__burger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.navbar__burger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0,0,0,0.97);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-medium) var(--ease-out-expo);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__links {
    text-align: center;
}

.mobile-menu__link {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    padding: 12px 0;
    color: rgba(255,255,255,0.7);
    transition: color var(--duration-fast) ease;
}

.mobile-menu__link:hover {
    color: #fff;
}

.mobile-menu__contacts {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.mobile-menu__contacts a {
    font-size: 15px;
    color: var(--color-text-muted);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Lava lamp blobs */
.hero__glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 40% 60% 55% 45% / 55% 40% 60% 45%;
    background: radial-gradient(circle, rgba(113,44,255,0.35) 0%, rgba(113,44,255,0.15) 40%, transparent 70%);
    top: 20%;
    left: 55%;
    z-index: 0;
    pointer-events: none;
    filter: blur(40px);
    animation: lavaBlobMain 14s ease-in-out infinite;
}

.hero__glow::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 55% 45% 50% 50% / 45% 55% 45% 55%;
    background: radial-gradient(circle, rgba(185,79,255,0.3) 0%, rgba(185,79,255,0.1) 45%, transparent 70%);
    top: -40%;
    left: -60%;
    filter: blur(30px);
    animation: lavaBlobSecond 18s ease-in-out infinite;
}

.hero__glow::after {
    content: '';
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 45% 55% 60% 40% / 50% 45% 55% 50%;
    background: radial-gradient(circle, rgba(44,111,255,0.25) 0%, rgba(113,44,255,0.1) 45%, transparent 70%);
    top: 30%;
    left: -30%;
    filter: blur(35px);
    animation: lavaBlobThird 22s ease-in-out infinite;
}

@keyframes lavaBlobMain {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 40% 60% 55% 45% / 55% 40% 60% 45%;
    }
    25% {
        transform: translate(-80px, -120px) scale(1.15) rotate(45deg);
        border-radius: 55% 45% 40% 60% / 45% 55% 50% 50%;
    }
    50% {
        transform: translate(40px, -180px) scale(0.9) rotate(90deg);
        border-radius: 45% 55% 60% 40% / 60% 45% 40% 55%;
    }
    75% {
        transform: translate(100px, -60px) scale(1.1) rotate(135deg);
        border-radius: 60% 40% 45% 55% / 50% 60% 45% 55%;
    }
    100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 40% 60% 55% 45% / 55% 40% 60% 45%;
    }
}

@keyframes lavaBlobSecond {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 55% 45% 50% 50% / 45% 55% 45% 55%;
        opacity: 0.9;
    }
    20% {
        transform: translate(120px, 100px) scale(1.2) rotate(-30deg);
        border-radius: 45% 55% 55% 45% / 55% 45% 50% 50%;
        opacity: 1;
    }
    40% {
        transform: translate(60px, 200px) scale(0.85) rotate(-60deg);
        border-radius: 50% 50% 45% 55% / 45% 50% 55% 50%;
        opacity: 0.7;
    }
    60% {
        transform: translate(-60px, 140px) scale(1.1) rotate(-120deg);
        border-radius: 40% 60% 50% 50% / 55% 45% 50% 50%;
        opacity: 1;
    }
    80% {
        transform: translate(-100px, 40px) scale(0.95) rotate(-200deg);
        border-radius: 55% 45% 45% 55% / 50% 55% 45% 55%;
        opacity: 0.8;
    }
    100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 55% 45% 50% 50% / 45% 55% 45% 55%;
        opacity: 0.9;
    }
}

@keyframes lavaBlobThird {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 45% 55% 60% 40% / 50% 45% 55% 50%;
        opacity: 0.8;
    }
    16% {
        transform: translate(150px, -100px) scale(1.25) rotate(40deg);
        border-radius: 55% 45% 45% 55% / 45% 55% 50% 50%;
        opacity: 1;
    }
    33% {
        transform: translate(80px, -200px) scale(0.8) rotate(80deg);
        border-radius: 50% 50% 55% 45% / 55% 45% 45% 55%;
        opacity: 0.6;
    }
    50% {
        transform: translate(-70px, -160px) scale(1.15) rotate(160deg);
        border-radius: 40% 60% 50% 50% / 50% 40% 60% 50%;
        opacity: 0.9;
    }
    66% {
        transform: translate(-140px, -60px) scale(0.9) rotate(220deg);
        border-radius: 55% 45% 40% 60% / 45% 55% 50% 50%;
        opacity: 1;
    }
    83% {
        transform: translate(-60px, 60px) scale(1.1) rotate(300deg);
        border-radius: 45% 55% 55% 45% / 55% 45% 45% 55%;
        opacity: 0.7;
    }
    100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        border-radius: 45% 55% 60% 40% / 50% 45% 55% 50%;
        opacity: 0.8;
    }
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero__badge {
    margin-bottom: 24px;
}

.hero__title {
    margin-bottom: 24px;
    line-height: 1.05;
}

.hero__subtitle {
    font-size: clamp(16px, 1.8vw, 20px);
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero__tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.hero__scroll span {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===== SECTION COMMON ===== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section__header {
    margin-bottom: 64px;
}

.section__header p {
    margin-top: 16px;
    font-size: 18px;
}

/* ===== CASES SECTION ===== */
.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.case-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 45vh;
    min-height: 320px;
    cursor: pointer;
    border: 1px solid var(--color-border);
    transition: border-color var(--duration-medium) ease, box-shadow var(--duration-medium) ease;
}

.case-card:hover {
    border-color: var(--color-border-accent);
    box-shadow: 0 0 30px rgba(113,44,255,0.15), 0 0 60px rgba(44,111,255,0.08);
}

.case-card__image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.8s var(--ease-out-expo);
}

.case-card:hover .case-card__image {
    transform: scale(1.05);
}

.case-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.25) 50%, rgba(0,0,0,0.05) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
}

/* Darkening layer — animates smoothly via opacity (gradients can't transition) */
.case-card__overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.55) 50%, rgba(0,0,0,0.35) 100%);
    opacity: 0;
    transition: opacity 0.7s ease;
    pointer-events: none;
}

.case-card:hover .case-card__overlay::before {
    opacity: 1;
}

.case-card__overlay .badge {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    margin-bottom: 12px;
    background: rgb(32 13 71 / 35%);
    transition: transform 0.7s var(--ease-out-expo);
}

.case-card:hover .case-card__overlay .badge {
    transform: translateY(-10px);
}

.case-card__overlay h3 {
    position: relative;
    z-index: 1;
    color: #fff;
    margin-bottom: 0;
    transition: transform 0.7s var(--ease-out-expo);
}

.case-card:hover .case-card__overlay h3 {
    transform: translateY(-10px);
}

.case-card__overlay p {
    position: relative;
    z-index: 1;
    font-size: 15px;
    color: rgba(255,255,255,0.7);
    max-width: 400px;
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(20px);
    transition: all 0.7s var(--ease-out-expo) 0.1s;
    overflow: hidden;
}

.case-card:hover .case-card__overlay p {
    max-height: 120px;
    opacity: 1;
    margin-top: 8px;
    transform: translateY(0);
}

.case-card__tags {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(20px);
    transition: all 0.7s var(--ease-out-expo) 0.15s;
    overflow: hidden;
}

.case-card:hover .case-card__tags {
    max-height: 60px;
    opacity: 1;
    margin-top: 16px;
    transform: translateY(0);
}

.case-card__tags .tag {
    font-size: 12px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
}

.case-card a {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.cases__more {
    text-align: center;
    margin-top: 48px;
}

/* ===== POSITIONING SECTION ===== */
.positioning__statement {
    margin-bottom: 80px;
}

.positioning__statement h2 {
    font-size: clamp(24px, 3.5vw, 48px);
    line-height: 1.3;
}

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

.feature-card {
    padding: 40px 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-medium) ease;
}

.feature-card:hover {
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
}

.feature-card__number {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 22px;
}

.feature-card p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.service-card {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 40px 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--duration-medium) ease;
    overflow: hidden;
}

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

.service-card__content {
    flex: 1;
}

.service-card__content h3 {
    margin-bottom: 16px;
    font-size: 24px;
}

.service-card__content p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.service-card__image {
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.service-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover .service-card__image img {
    transform: scale(1.08);
}

.service-card__tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* ===== TECH STACK SECTION ===== */
.tech-stack {
    position: relative;
}

.tech-stack__glow {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: var(--gradient-glow);
    pointer-events: none;
    z-index: 0;
}

.tech-stack .container {
    position: relative;
    z-index: 1;
}

.tech-subsection {
    margin-bottom: 64px;
}

.tech-subsection:last-child {
    margin-bottom: 0;
}

.tech-subsection__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tech-subsection__title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.tech-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    width: 90px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) ease;
}

.tech-icon:hover {
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
    background: var(--color-bg-elevated);
}

.tech-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tech-icon span {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-align: center;
}

/* ===== FAQ SECTION ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--duration-fast) ease;
}

.faq-item.active {
    border-color: var(--color-border-accent);
}

.faq-item__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    cursor: pointer;
    gap: 16px;
    user-select: none;
}

.faq-item__header h4 {
    font-size: 17px;
    font-weight: 600;
    font-family: var(--font-body);
    line-height: 1.4;
}

.faq-item__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    position: relative;
}

.faq-item__icon::before,
.faq-item__icon::after {
    content: '';
    position: absolute;
    background: var(--color-text-muted);
    transition: transform var(--duration-fast) ease;
}

.faq-item__icon::before {
    width: 14px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-item__icon::after {
    width: 2px;
    height: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-item.active .faq-item__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item__body {
    height: 0;
    overflow: hidden;
}

.faq-item__content {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== CONTACT / CTA SECTION ===== */
.contact {
    position: relative;
    overflow: hidden;
}

.contact__glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(113,44,255,0.08) 0%, transparent 70%);
    top: 50%;
    right: -200px;
    transform: translateY(-50%);
    pointer-events: none;
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

.contact__info h2 {
    margin-bottom: 16px;
}

.contact__info > p {
    font-size: 18px;
    margin-bottom: 32px;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact__details a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--duration-fast) ease;
}

.contact__details a:hover {
    color: var(--color-accent-light);
}

.contact__details i {
    width: 24px;
    color: var(--color-accent);
}

.contact__form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

/* ===== FORM FIELDS (floating labels) ===== */
.form-field {
    position: relative;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 20px 16px 8px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--duration-fast) ease;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--color-accent);
}

.form-field label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    font-size: 15px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: all var(--duration-fast) ease;
}

.form-field textarea ~ label {
    top: 20px;
    transform: none;
}

.form-field input:focus ~ label,
.form-field input:not(:placeholder-shown) ~ label {
    top: 8px;
    transform: none;
    font-size: 11px;
    color: var(--color-accent-light);
}

.form-field textarea:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label {
    top: 4px;
    font-size: 11px;
    color: var(--color-accent-light);
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success.show {
    display: block;
}

.form-success svg {
    margin: 0 auto 16px;
}

.form-success h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.form-success p {
    margin: 0 auto;
}

/* ===== FOOTER ===== */
.footer {
    padding: 64px 0 0;
    border-top: 1px solid var(--color-border);
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer__logo img {
    height: 24px;
    width: auto;
}

.footer__tagline {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.footer__heading {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.footer__nav ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__nav a {
    font-size: 15px;
    color: var(--color-text-secondary);
    transition: color var(--duration-fast) ease;
}

.footer__nav a:hover {
    color: var(--color-accent-light);
}

.footer__phone {
    display: block;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    transition: color var(--duration-fast) ease;
}

.footer__phone:hover {
    color: var(--color-accent-light);
}

.footer__email {
    display: block;
    font-size: 15px;
    color: var(--color-text-muted) !important;
    margin-bottom: 16px;
    transition: color var(--duration-fast) ease;
}

.footer__email:hover {
    color: var(--color-accent-light) !important;
}

.footer__bottom {
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
}

.footer__bottom p {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-medium) var(--ease-out-expo);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.modal__panel {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 100vh;
    overflow-y: auto;
    background: var(--color-bg-elevated);
    border-left: 1px solid var(--color-border);
    padding: 48px 40px;
    transform: translateX(100%);
    transition: transform var(--duration-medium) var(--ease-out-expo);
}

.modal.active .modal__panel {
    transform: translateX(0);
}

.modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 8px;
    transition: color var(--duration-fast) ease;
}

.modal__close:hover {
    color: #fff;
}

.modal__title {
    font-size: 28px;
    margin-bottom: 8px;
}

.modal__subtitle {
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.modal__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal__success {
    text-align: center;
    padding: 40px 0;
}

.modal__success-icon {
    margin-bottom: 16px;
}

.modal__success h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.modal__success p {
    margin: 0 auto;
    color: var(--color-text-muted);
}

/* ===== CASES PAGE ===== */
.cases-page {
    padding-top: 140px;
}

.cases-page h1 {
    margin-bottom: 16px;
}

.cases-page__subtitle {
    font-size: 18px;
    margin-bottom: 48px;
}

.cases-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
}

.filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

/* ===== CASE PAGE ===== */
.case-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: flex-end;
    background-size: cover;
    background-position: center;
    padding: 80px 0 48px;
}

.case-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 100%);
}

.case-hero .container {
    position: relative;
    z-index: 1;
}

.case-hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    margin-top: 12px;
    margin-bottom: 8px;
}

.case-hero__subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.case-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 48px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.meta-value {
    font-size: 16px;
    font-weight: 500;
}

.case-section {
    padding: 48px 0;
}

.case-section h2 {
    font-size: clamp(24px, 3vw, 36px);
    margin-bottom: 24px;
}

.case-section p {
    font-size: 17px;
    line-height: 1.8;
    max-width: none;
    margin-bottom: 30px;
}

.case-section p:last-child {
    margin-bottom: 0;
}

.case-section h3 {
    font-size: 28px;
    margin-top: 48px;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.case-section h3:first-child {
    margin-top: 0;
}

/* Inline gallery for images within solution text */
.case-inline-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 32px 0;
}

.case-inline-figure {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 0;
}

.case-inline-figure img {
    width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

.case-inline-figure figcaption {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 8px;
    padding-left: 16px;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .case-inline-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-inline-figure--full {
        grid-column: 1 / -1;
    }
}

.case-gallery {
    padding: 48px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    display: block;
}

.case-results {
    padding: 48px 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.result-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.result-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(24px, 3.5vw, 42px);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.15;
    margin-bottom: 12px;
    white-space: nowrap;
}

.result-label {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* ===== CASE TESTIMONIAL ===== */
.case-testimonial {
    padding: 60px 0 80px;
}

.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px;
}

.testimonial-card__quote {
    position: relative;
    margin-bottom: 28px;
}

.testimonial-card__icon {
    color: var(--color-accent);
    opacity: 0.5;
    margin-bottom: 16px;
    display: block;
}

.testimonial-card__quote blockquote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-muted);
    margin: 0;
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.testimonial-card__avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-accent);
}

.testimonial-card__name {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.testimonial-card__position {
    display: block;
    font-size: 14px;
    color: var(--color-text-muted);
}

@media (max-width: 576px) {
    .testimonial-card {
        padding: 24px;
    }
    .testimonial-card__quote blockquote {
        font-size: 15px;
    }
}

.case-cta {
    padding: 80px 0;
    text-align: center;
}

.case-cta h2 {
    margin-bottom: 24px;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--duration-fast) ease;
    border: none;
    font-size: 18px;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-accent);
}

/* ===== ANIMATIONS (initial states for GSAP) ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
}

/* ===== RESPONSIVE ===== */

/* Small (>= 576px) */
@media (min-width: 576px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium (>= 768px) */
@media (min-width: 768px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-card {
        height: 55vh;
        min-height: 400px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__top {
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    }

    .case-meta {
        grid-template-columns: repeat(4, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .tech-icon {
        width: 100px;
    }
}

/* Large (>= 992px) */
@media (min-width: 992px) {
    .navbar__menu {
        display: flex;
    }

    .navbar__cta {
        display: inline-flex;
    }

    .navbar__burger {
        display: none;
    }

    .service-card {
        flex-direction: row;
        gap: 48px;
        padding: 48px;
    }

    .service-card:nth-child(even) {
        flex-direction: row-reverse;
    }

    .service-card__content {
        flex: 1;
    }

    .service-card__image {
        flex: 0 0 45%;
        aspect-ratio: 16/10;
    }

    .contact__inner {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
        align-items: start;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .tech-icon {
        width: 110px;
    }
}

/* XL (>= 1200px) */
@media (min-width: 1200px) {
    .hero__content {
        max-width: 1000px;
    }

    .contact__form-wrapper {
        padding: 48px;
    }
}

/* Mobile-specific */
@media (max-width: 767px) {
    .hero {
        padding: 100px 0 60px;
        min-height: 90vh;
    }

    .hero__scroll {
        display: none;
    }

    .modal__panel {
        max-width: 100%;
        padding: 32px 24px;
    }

    .contact__form-wrapper {
        padding: 28px 20px;
    }

    .service-card {
        padding: 28px 20px;
    }
}