/* ==========================================
   DUYUSOFT - Landing Page Styles
   Clean, professional design for audiology sector
   ========================================== */

/* === CSS Variables === */
:root {
    --color-bg: #f8fafb;
    --color-bg-secondary: #ffffff;
    --color-bg-card: rgba(255, 255, 255, 0.8);
    --color-bg-card-hover: rgba(255, 255, 255, 1);
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;
    --color-text: #334155;
    --color-text-muted: #64748b;
    --color-text-dim: #94a3b8;
    --color-white: #ffffff;
    --color-heading: #0f172a;

    /* Odyoloji sektörüne uygun: güvenilir mavi-teal tonları */
    --color-cyan: #0891b2;
    --color-cyan-light: #06b6d4;
    --color-violet: #2563eb;
    --color-violet-light: #3b82f6;
    --color-emerald: #059669;
    --color-amber: #d97706;
    --color-rose: #e11d48;
    --color-blue: #2563eb;
    --color-indigo: #4f46e5;
    --color-teal: #0d9488;

    --gradient-primary: linear-gradient(135deg, #0891b2, #2563eb);
    --gradient-text: linear-gradient(135deg, #0891b2, #2563eb);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 8px 32px rgba(8, 145, 178, 0.12), 0 4px 16px rgba(37, 99, 235, 0.06);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

ul {
    list-style: none;
}

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

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-family);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn--sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn--lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.25);
}

.btn--primary:hover {
    box-shadow: 0 8px 32px rgba(8, 145, 178, 0.35);
    transform: translateY(-2px);
}

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

.btn--ghost:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    background: rgba(8, 145, 178, 0.04);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-cyan);
    font-weight: 700;
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.3);
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav__logo {
    z-index: 1001;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-placeholder span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-heading);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav__link {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--color-cyan);
    background: rgba(8, 145, 178, 0.05);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__toggle,
.nav__close {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 4px;
}

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

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.hero__orb--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(8, 145, 178, 0.1), transparent 70%);
    top: -200px;
    right: -100px;
}

.hero__orb--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08), transparent 70%);
    bottom: -100px;
    left: -100px;
    animation-delay: -10s;
}

.hero__orb--3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.06), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -5s;
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(8, 145, 178, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(8, 145, 178, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero__container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-emerald);
    box-shadow: 0 0 8px var(--color-emerald);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--color-heading);
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 540px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-heading);
    line-height: 1;
    margin-bottom: 4px;
}

.hero__stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-dim);
    font-weight: 500;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* === Device Frames === */
.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero__mockup {
    position: relative;
    width: 100%;
    max-width: 560px;
}

/* Laptop */
.device--laptop {
    position: relative;
    background: #1e293b;
    border-radius: 12px 12px 0 0;
    padding: 12px 12px 0;
    box-shadow: var(--shadow-lg);
}

.device--laptop .device__screen {
    position: relative;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    background: #f1f5f9;
    aspect-ratio: 16 / 10;
}

.device--laptop .device__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top left;
    display: block;
}

.device__base {
    position: relative;
    background: #334155;
    height: 16px;
    border-radius: 0 0 4px 4px;
    margin: 0 -12px;
}

.device__base::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: -5%;
    width: 110%;
    height: 6px;
    background: #1e293b;
    border-radius: 0 0 8px 8px;
}

.device__notch {
    width: 60px;
    height: 4px;
    background: #475569;
    border-radius: 0 0 4px 4px;
    margin: 0 auto;
}

/* Phone */
.device--phone {
    position: absolute;
    bottom: -24px;
    right: -32px;
    width: 130px;
    background: #1e293b;
    border-radius: 20px;
    padding: 10px 6px 14px;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.device__phone-notch {
    width: 40px;
    height: 5px;
    background: #334155;
    border-radius: 100px;
    margin: 0 auto 6px;
}

.device--phone .device__screen {
    border-radius: 4px;
    overflow: hidden;
    background: #f1f5f9;
    aspect-ratio: 9 / 19;
}

.device--phone .device__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
}

.device__phone-bar {
    width: 36px;
    height: 4px;
    background: #475569;
    border-radius: 100px;
    margin: 8px auto 0;
}

/* === Section Common === */
.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section__tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    border: 1px solid rgba(8, 145, 178, 0.2);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-cyan);
    margin-bottom: 16px;
    background: rgba(8, 145, 178, 0.06);
}

.section__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-heading);
    margin-bottom: 16px;
}

.section__description {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* === Features Section === */
.features {
    padding: 120px 0;
    position: relative;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 32px 24px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--color-white);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.feature-card__icon--cyan { background: rgba(8, 145, 178, 0.08); color: var(--color-cyan); }
.feature-card__icon--violet { background: rgba(37, 99, 235, 0.08); color: var(--color-violet); }
.feature-card__icon--emerald { background: rgba(5, 150, 105, 0.08); color: var(--color-emerald); }
.feature-card__icon--amber { background: rgba(217, 119, 6, 0.08); color: var(--color-amber); }
.feature-card__icon--rose { background: rgba(225, 29, 72, 0.08); color: var(--color-rose); }
.feature-card__icon--blue { background: rgba(37, 99, 235, 0.08); color: var(--color-blue); }
.feature-card__icon--indigo { background: rgba(79, 70, 229, 0.08); color: var(--color-indigo); }
.feature-card__icon--teal { background: rgba(13, 148, 136, 0.08); color: var(--color-teal); }

.feature-card__title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
}

.feature-card__text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* === Platforms Section === */
.platforms {
    padding: 120px 0;
    background: #f0f7fa;
    position: relative;
}

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

.platform-card {
    padding: 48px 40px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.platform-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.platform-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.platform-card:hover::after {
    opacity: 1;
}

.platform-card__icon {
    color: var(--color-cyan);
    margin-bottom: 24px;
}

.platform-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 12px;
}

.platform-card__text {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.platform-card__features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.platform-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.platform-card__features li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-cyan);
    flex-shrink: 0;
}

/* === Why Section === */
.why {
    padding: 120px 0;
}

.why__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    padding: 36px 28px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.why-card__number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 16px;
    line-height: 1;
}

.why-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
}

.why-card__text {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* === FAQ Section === */
.faq {
    padding: 120px 0;
    background: #f0f7fa;
    position: relative;
}

.faq__list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq__item:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-sm);
}

.faq__item[open] {
    border-color: rgba(8, 145, 178, 0.3);
    box-shadow: 0 2px 8px rgba(8, 145, 178, 0.08);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-heading);
    list-style: none;
    user-select: none;
    transition: var(--transition);
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::marker {
    content: '';
}

.faq__chevron {
    flex-shrink: 0;
    color: var(--color-text-dim);
    transition: transform 0.3s ease;
}

.faq__item[open] .faq__chevron {
    transform: rotate(180deg);
    color: var(--color-cyan);
}

.faq__answer {
    padding: 0 24px 20px;
}

.faq__answer p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* === CTA Section === */
.cta {
    padding: 80px 0;
}

.cta__card {
    position: relative;
    padding: 80px 60px;
    border-radius: var(--radius-2xl);
    background: var(--gradient-primary);
    text-align: center;
    overflow: hidden;
}

.cta__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cta__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.cta__orb--1 {
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.12);
    top: -150px;
    right: -100px;
}

.cta__orb--2 {
    width: 300px;
    height: 300px;
    background: rgba(0, 0, 0, 0.1);
    bottom: -100px;
    left: -50px;
}

.cta__title {
    position: relative;
    z-index: 1;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta__text {
    position: relative;
    z-index: 1;
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 540px;
    margin: 0 auto 32px;
    line-height: 1.8;
}

/* === Contact Section === */
.contact {
    padding: 120px 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: start;
}

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

.form__group--full {
    grid-column: 1 / -1;
}

.form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form__input {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-heading);
    font-family: var(--font-family);
    font-size: 0.9375rem;
    transition: var(--transition);
    outline: none;
}

.form__input::placeholder {
    color: var(--color-text-dim);
}

.form__input:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__submit {
    grid-column: 1 / -1;
    justify-self: start;
}

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

.contact__info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact__info-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-sm);
}

.contact__info-card--link {
    text-decoration: none;
    cursor: pointer;
}

.contact__info-card--link:hover {
    border-color: #25d366;
    box-shadow: 0 2px 12px rgba(37, 211, 102, 0.12);
}

.contact__info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(8, 145, 178, 0.08);
    color: var(--color-cyan);
    flex-shrink: 0;
}

.contact__info-icon--whatsapp {
    background: rgba(37, 211, 102, 0.1);
    color: #25d366;
}

.contact__info-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-dim);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact__info-text {
    font-size: 0.9375rem;
    color: var(--color-text);
}

/* === Footer === */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--color-border);
    background: var(--color-heading);
    color: rgba(255, 255, 255, 0.7);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer__text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

.footer__title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer__bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer .logo-placeholder span {
    color: var(--color-white);
}

/* === Animations === */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__visual {
        max-width: 480px;
        margin: 0 auto;
    }

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

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

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        border-left: 1px solid var(--color-border);
        padding: 80px 32px 32px;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -4px 0 16px rgba(0,0,0,0.08);
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .nav__link {
        padding: 12px 16px;
    }

    .nav__toggle {
        display: block;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
    }

    .nav__actions .btn {
        display: none;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .hero__stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

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

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

    .form__submit {
        justify-self: stretch;
    }

    .cta__card {
        padding: 48px 24px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .device--phone {
        right: -10px;
        width: 100px;
    }

    .platform-card {
        padding: 32px 24px;
    }
}