/* ═══════════════════════ CSS CUSTOM PROPERTIES ═══════════════════════ */
:root {
    /* Brand colors */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-accent: #f59e0b;
    --color-accent-hover: #d97706;

    /* Neutral palette */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-card: #ffffff;
    --color-surface: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --gradient-text: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #db2777 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgb(37 99 235 / 0.15);

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* 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);
}

/* Dark theme */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-bg-card: #1e293b;
    --color-surface: #334155;
    --color-border: #334155;
    --color-border-light: #1e293b;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --gradient-hero: linear-gradient(135deg, #020617 0%, #0f172a 50%, #020617 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
    --shadow-glow: 0 0 40px rgb(37 99 235 / 0.25);
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    transition: background var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ═══════════════════════ TYPOGRAPHY ═══════════════════════ */
.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* ═══════════════════════ BUTTONS ═══════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-lg);
}

.btn--primary {
    background: var(--gradient-brand);
    color: #fff;
    border-color: transparent;
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: #fff;
}

.btn--outline {
    border-color: var(--color-border);
    color: var(--color-text);
    background: transparent;
}
.btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.btn--sm { padding: var(--space-xs) var(--space-md); font-size: var(--font-size-xs); }
.btn--lg { padding: var(--space-md) var(--space-2xl); font-size: var(--font-size-base); }
.btn--full { width: 100%; }

/* ═══════════════════════ SECTIONS ═══════════════════════ */
.section {
    padding: var(--space-5xl) 0;
}

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

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-4xl);
}

.section__badge {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ═══════════════════════ HEADER / NAV ═══════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header--scrolled {
    background: var(--color-bg);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"] .header--scrolled { background: rgb(255 255 255 / 0.92); }
[data-theme="dark"] .header--scrolled { background: rgb(15 23 42 / 0.92); }

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

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: #fff;
    z-index: 1001;
    transition: color var(--transition-base);
}
.header--scrolled .header__logo { color: var(--color-text); }
.header__logo-icon {
    font-size: var(--font-size-2xl);
    background: var(--gradient-brand);
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-lg);
    color: #fff;
}
.header__logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.header__logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.header__nav {
    display: flex;
    gap: var(--space-xs);
}

.header__link {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: rgb(255 255 255 / 0.8);
    transition: all var(--transition-fast);
    text-decoration: none;
}
.header__link:hover,
.header__link.active {
    color: #fff;
    background: rgb(255 255 255 / 0.12);
}
.header--scrolled .header__link {
    color: var(--color-text-secondary);
}
.header--scrolled .header__link:hover,
.header--scrolled .header__link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.theme-toggle {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md);
    color: rgb(255 255 255 / 0.8);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}
.theme-toggle:hover { color: #fff; background: rgb(255 255 255 / 0.12); }
.header--scrolled .theme-toggle { color: var(--color-text-secondary); }
.header--scrolled .theme-toggle:hover { color: var(--color-text); background: var(--color-surface); }

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: 1001;
}
.header__burger span {
    width: 24px; height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition-base);
}
.header--scrolled .header__burger span { background: var(--color-text); }
.header__burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.header__burger.active span:nth-child(2) { opacity: 0; }
.header__burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ═══════════════════════ HERO ═══════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgb(37 99 235 / 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgb(124 58 237 / 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero__particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    padding-top: var(--header-height);
    padding-bottom: var(--space-4xl);
}

.hero__badge {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    border: 1px solid rgb(245 158 11 / 0.3);
    background: rgb(245 158 11 / 0.1);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    color: #fff;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: rgb(255 255 255 / 0.6);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
}

.hero__cta .btn--outline {
    color: #fff;
    border-color: rgb(255 255 255 / 0.25);
}
.hero__cta .btn--outline:hover {
    border-color: #fff;
    background: rgb(255 255 255 / 0.1);
    color: #fff;
}

.hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3xl);
}

.hero__stat {
    color: rgb(255 255 255 / 0.8);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.2;
}
.hero__stat small {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: rgb(255 255 255 / 0.4);
    margin-top: var(--space-xs);
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: rgb(255 255 255 / 0.3);
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ═══════════════════════ SERVICES ═══════════════════════ */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}
.service-card:hover::before {
    transform: scaleX(1);
}

.service-card__icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.service-card__desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

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

.service-card__list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.service-card__list li i {
    color: #10b981;
    font-size: var(--font-size-base);
}

/* ═══════════════════════ ABOUT ═══════════════════════ */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about__content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-lg);
    max-width: 540px;
}

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

.about__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}
.about__feature:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.about__feature i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    background: var(--color-primary-light);
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.about__feature strong {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.about__feature small {
    color: var(--color-text-muted);
}

.about__visual { position: relative; }

.about__image-wrapper { position: relative; }

.about__image-placeholder {
    aspect-ratio: 4/3;
    background: transparent;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about__card-float {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about__card-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-primary);
}

.about__card-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ═══════════════════════ PROCESS ═══════════════════════ */
.process__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.process__step {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    position: relative;
    transition: all var(--transition-base);
}
.process__step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.process__step-number {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-brand);
    color: #fff;
    font-size: var(--font-size-xl);
    font-weight: 800;
    border-radius: var(--radius-full);
}

.process__step h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.process__step p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ═══════════════════════ PRODUCTS ═══════════════════════ */
.products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.product-category {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.product-category::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}
.product-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}
.product-category:hover::before {
    transform: scaleX(1);
}

.product-category__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    letter-spacing: -0.01em;
}
.product-category__title i {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

.product-category__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.product-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}
.product-tag:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

/* ═══════════════════════ LOCATION ═══════════════════════ */
.location__grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: var(--space-xl);
    align-items: start;
}

.location__map {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    height: 500px;
}

.location__map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

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

.location__info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}
.location__info-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.location__info-card i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    background: var(--color-primary-light);
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.location__info-card strong {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.location__info-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.location__info-card a {
    color: var(--color-primary);
    font-weight: 500;
}

/* ═══════════════════════ CONTACT ═══════════════════════ */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-2xl);
    align-items: start;
}

.contact__form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.form-group label span { color: #ef4444; }

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-wrapper:focus-within i {
    color: var(--color-primary);
}

.input-wrapper input,
.input-wrapper textarea,
.input-wrapper select {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) * 2 + 1em);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    outline: none;
}

.input-wrapper textarea {
    resize: vertical;
    min-height: 120px;
    padding-top: var(--space-md);
}

.input-wrapper input:focus,
.input-wrapper textarea:focus,
.input-wrapper select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
    color: var(--color-text-muted);
}

.form-feedback {
    margin-top: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: none;
}

.form-feedback.success {
    display: block;
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-feedback.error {
    display: block;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.input-wrapper .error-field {
    border-color: #ef4444 !important;
}
.input-wrapper .error-field:focus {
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.15) !important;
}

/* Contact Aside */
.contact__aside {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact__aside-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
}

.contact__aside-icon {
    width: 64px; height: 64px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto var(--space-lg);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    border-radius: var(--radius-full);
}

.contact__aside-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.contact__aside-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-lg);
}

/* ═══════════════════════ FOOTER ═══════════════════════ */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-top: var(--space-lg);
}

.footer__logo {
    color: var(--color-text) !important;
}

.footer__social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.footer__social a {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}
.footer__social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.footer__links h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

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

.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}
.footer__links a:hover { color: var(--color-primary); }

.footer__newsletter h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.footer__newsletter p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-lg);
}

.footer__newsletter-form {
    display: flex;
    gap: 0;
}

.footer__newsletter-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-right: none;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    outline: none;
    color: var(--color-text);
}
.footer__newsletter-form input:focus {
    border-color: var(--color-primary);
}

.footer__newsletter-form button {
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-brand);
    color: #fff;
    border: 1.5px solid transparent;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    transition: opacity var(--transition-fast);
}
.footer__newsletter-form button:hover { opacity: 0.9; }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer__bottom .fa-heart {
    color: #ef4444;
    animation: heartPulse 1.5s ease-in-out infinite;
}

@keyframes heartPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ═══════════════════════ BACK TO TOP ═══════════════════════ */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: var(--gradient-brand);
    color: #fff;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
    text-decoration: none;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    color: #fff;
}

/* ═══════════════════════ ANIMATIONS ═══════════════════════ */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}
[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════ RESPONSIVE ═══════════════════════ */
@media (max-width: 1024px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    .about__content p { max-width: 100%; }

    .location__grid {
        grid-template-columns: 1fr;
    }
    .location__map { height: 350px; }

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

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

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --space-5xl: 4rem;
        --space-4xl: 3rem;
    }

    .section { padding: var(--space-4xl) 0; }
    .section__title { font-size: var(--font-size-3xl); }

    .header__nav {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-lg);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
        z-index: 1000;
    }
    .header__nav.active {
        opacity: 1;
        pointer-events: auto;
    }

    .header__link {
        font-size: var(--font-size-xl);
        padding: var(--space-md) var(--space-xl);
        color: var(--color-text);
    }
    .header__link:hover,
    .header__link.active {
        color: var(--color-primary);
        background: var(--color-primary-light);
    }

    .header__burger { display: flex; }

    .header__logo-img { height: 32px; }

    .hero__stats { gap: var(--space-xl); }
    .hero__stat { font-size: var(--font-size-2xl); }

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

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 480px) {
    .hero__cta { flex-direction: column; }
    .hero__cta .btn { width: 100%; }
    .hero__scroll { display: none; }

    .about__card-float {
        position: static;
        margin-top: var(--space-lg);
    }
}